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IIUMThis document contains an exercise with 13 questions about foundational quantitative analysis concepts. The questions cover identifying levels of measurement, constructing frequency distributions, histograms, polygons and ogives from data sets, calculating measures of central tendency and variability, and using the empirical rule. The document provides data sets for things like temperatures, miles run, counties per state, calories burned exercising, airline safety records, and reasons for travel.
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The International system of Units | Physics
S.I or International System of Units was founded in 1971 by CGPM committee. The system is widely used all over the world and is also known as Metric System if units. Copy the link given below and paste it in new browser window to get more information on The International system of Units www.askiitians.com/iit-jee-physics/general-physics/the-international-system-of-units/
As mentioned earlier, the mid-term will have conceptual and quanti.docx
As mentioned earlier, the mid-term will have conceptual and quantitative multiple-choice questions. You need to read all 4 chapters and you need to be able to solve problems in all 4 chapters in order to do well in this test.
The following are for review and learning purposes only. I am not indicating that identical or similar problems will be in the test. As I have indicated in the class syllabus, all the exams in this course will have multiple-choice questions and problems.
Suggestion: treat this review set as you would an actual test. Sit down with your one page of notes and your calculator, and give it a try. That way you will know what areas you still need to study.
ADMN 210
Answers to Review for Midterm #1
1) Classify each of the following as nominal, ordinal, interval, or ratio data.
a. The time required to produce each tire on an assembly line – ratio since it is numeric with a valid 0 point meaning “lack of”
b. The number of quarts of milk a family drinks in a month - ratio since it is numeric with a valid 0 point meaning “lack of”
c. The ranking of four machines in your plant after they have been designated as excellent, good, satisfactory, and poor – ordinal since it is ranking data only
d. The telephone area code of clients in the United States – nominal since it is a label
e. The age of each of your employees - ratio since it is numeric with a valid 0 point meaning “lack of”
f. The dollar sales at the local pizza house each month - ratio since it is numeric with a valid 0 point meaning “lack of”
g. An employee’s identification number – nominal since it is a label
h. The response time of an emergency unit - ratio since it is numeric with a valid 0 point meaning “lack of”
2) True or False: The highest level of data measurement is the ratio-level measurement.
True (you can do the most powerful analysis with this kind of data)
3) True or False: Interval- and ratio-level data are also referred to as categorical data.
False (Interval and ratio level data are numeric and therefore quantitative, NOT qualitative….Nominal is qualitative)
4) A small portion or a subset of the population on which data is collected for conducting statistical analysis is called __________.
A sample! A population is the total group, a census IS the population, and a data set can be either a sample or a population.
5) One of the advantages for taking a sample instead of conducting a census is this:
a sample is more accurate than census
a sample is difficult to take
a sample cannot be trusted
a sample can save money when data collection process is destructive
6) Selection of the winning numbers is a lottery is an example of __________.
convenience sampling
random sampling
nonrandom sampling
regulatory sampling
7) A type of random sampling in which the population is divided into non-overlapping subpopulations is called __________.
stratified random sampling
cluster sampling
systematic random sampling
regulatory sampling
8) A ...
Part ASome questions in Part A require that you access data from.docx
Part A
Some questions in Part A require that you access data from
Statistics for People Who (Think
T
hey) Hate Statistics
.
This data is available on the student website under the Student Test Resources link.
1.
By hand, compute the mean, median, and mode for the following set of 40 reading scores:
SUMMARY
31
32
43
42
24
34
25
44
23
43
24
36
25
41
23
28
14
21
24
17
25
23
44
21
13
26
23
32
12
26
14
42
14
31
52
12
23
42
32
34
2.
Compute the means for the following set of scores saved as Ch. 2 Data Set 3 using IBM
®
SPSS
®
software. Print out a copy of the output.
Hospital size (number of beds)
Infection rate (per 1,000 admissions)
234
1.7
214
2.4
165
3.1
436
5.6
432
4.9
342
5.3
276
5.6
187
1.2
512
3.3
553
4.1
3.
You are the manager of a fast food store. Part of your job is to report which special is selling best to the boss at the end of each day. Use your knowledge of descriptive statistics and write one paragraph to let the boss know what happened today. Use the following data. Do not use IBM
®
SPSS
®
software to compute the statistics needed; rather, do it by hand. Include a copy of your work.
Special number
Sold
Cost
Huge Burger
20
$2.95
Baby Burger
18
$1.49
Chicken Littles
25
$3.50
Porker Burger
19
$2.95
Yummy Burger
17
$1.99
Coney Dog
20
$1.99
Total specials sold
119
4.
Suppose you are working with a data set that has some different (much larger or much smaller than the rest of the data) scores. What measure of central tendency would you use and why?
5.
For the following set of scores, compute the range, the unbiased and the biased standard deviations, and the variance. Do the exercise by hand.
31, 42, 35, 55, 54, 34, 25, 44, 35
Why is the unbiased estimate greater than the biased estimate?
6.
Use IBM
®
SPSS
®
software to compute all the descriptive statistics for the following set of three test scores over the course of a semester. Which test had the highest average score? Which test had the smallest amount of variability?
Test 1
Test 2
Test 3
50
50
49
48
49
47
51
51
51
46
46
55
49
48
55
48
53
45
49
49
47
49
52
45
50
48
46
50
55
53
7.
This practice problem uses the data contained in the file named Ch. 3 Data Set 3. There are two variables in this data set.
Variable
Definition
Height
Height in inches
Weight
Weight in pounds
Using IBM
®
SPSS
®
software, compute all of the measures of variability you can for height and weight.
8.
Review the following frequency distribution. Create a histogram either by hand or by using some other application such as a Microsoft
®
Excel
®
document.
Class interval
Frequency
90–100
12
80–89
14
70–79
20
60–69
24
50–59
28
40–49
29
30–39
21
20–29
15
10–19
17
0–9
12
9.
A third-grade teacher is looking to improve her students’ level of engagement during group discussions and instruction. She keeps track of each of the 15 third graders’ number of responses every day for 1 week. This information is available in Ch. 4 Data Set 2. Use IBM
®
SPSS
®
software to create a bar chart (one bar .
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As mentioned earlier, the mid-term will have conceptual and quanti.docx
As mentioned earlier, the mid-term will have conceptual and quantitative multiple-choice questions. You need to read all 4 chapters and you need to be able to solve problems in all 4 chapters in order to do well in this test.
The following are for review and learning purposes only. I am not indicating that identical or similar problems will be in the test. As I have indicated in the class syllabus, all the exams in this course will have multiple-choice questions and problems.
Suggestion: treat this review set as you would an actual test. Sit down with your one page of notes and your calculator, and give it a try. That way you will know what areas you still need to study.
ADMN 210
Answers to Review for Midterm #1
1) Classify each of the following as nominal, ordinal, interval, or ratio data.
a. The time required to produce each tire on an assembly line – ratio since it is numeric with a valid 0 point meaning “lack of”
b. The number of quarts of milk a family drinks in a month - ratio since it is numeric with a valid 0 point meaning “lack of”
c. The ranking of four machines in your plant after they have been designated as excellent, good, satisfactory, and poor – ordinal since it is ranking data only
d. The telephone area code of clients in the United States – nominal since it is a label
e. The age of each of your employees - ratio since it is numeric with a valid 0 point meaning “lack of”
f. The dollar sales at the local pizza house each month - ratio since it is numeric with a valid 0 point meaning “lack of”
g. An employee’s identification number – nominal since it is a label
h. The response time of an emergency unit - ratio since it is numeric with a valid 0 point meaning “lack of”
2) True or False: The highest level of data measurement is the ratio-level measurement.
True (you can do the most powerful analysis with this kind of data)
3) True or False: Interval- and ratio-level data are also referred to as categorical data.
False (Interval and ratio level data are numeric and therefore quantitative, NOT qualitative….Nominal is qualitative)
4) A small portion or a subset of the population on which data is collected for conducting statistical analysis is called __________.
A sample! A population is the total group, a census IS the population, and a data set can be either a sample or a population.
5) One of the advantages for taking a sample instead of conducting a census is this:
a sample is more accurate than census
a sample is difficult to take
a sample cannot be trusted
a sample can save money when data collection process is destructive
6) Selection of the winning numbers is a lottery is an example of __________.
convenience sampling
random sampling
nonrandom sampling
regulatory sampling
7) A type of random sampling in which the population is divided into non-overlapping subpopulations is called __________.
stratified random sampling
cluster sampling
systematic random sampling
regulatory sampling
8) A ...
Part ASome questions in Part A require that you access data from.docx
Part A
Some questions in Part A require that you access data from
Statistics for People Who (Think
T
hey) Hate Statistics
.
This data is available on the student website under the Student Test Resources link.
1.
By hand, compute the mean, median, and mode for the following set of 40 reading scores:
SUMMARY
31
32
43
42
24
34
25
44
23
43
24
36
25
41
23
28
14
21
24
17
25
23
44
21
13
26
23
32
12
26
14
42
14
31
52
12
23
42
32
34
2.
Compute the means for the following set of scores saved as Ch. 2 Data Set 3 using IBM
®
SPSS
®
software. Print out a copy of the output.
Hospital size (number of beds)
Infection rate (per 1,000 admissions)
234
1.7
214
2.4
165
3.1
436
5.6
432
4.9
342
5.3
276
5.6
187
1.2
512
3.3
553
4.1
3.
You are the manager of a fast food store. Part of your job is to report which special is selling best to the boss at the end of each day. Use your knowledge of descriptive statistics and write one paragraph to let the boss know what happened today. Use the following data. Do not use IBM
®
SPSS
®
software to compute the statistics needed; rather, do it by hand. Include a copy of your work.
Special number
Sold
Cost
Huge Burger
20
$2.95
Baby Burger
18
$1.49
Chicken Littles
25
$3.50
Porker Burger
19
$2.95
Yummy Burger
17
$1.99
Coney Dog
20
$1.99
Total specials sold
119
4.
Suppose you are working with a data set that has some different (much larger or much smaller than the rest of the data) scores. What measure of central tendency would you use and why?
5.
For the following set of scores, compute the range, the unbiased and the biased standard deviations, and the variance. Do the exercise by hand.
31, 42, 35, 55, 54, 34, 25, 44, 35
Why is the unbiased estimate greater than the biased estimate?
6.
Use IBM
®
SPSS
®
software to compute all the descriptive statistics for the following set of three test scores over the course of a semester. Which test had the highest average score? Which test had the smallest amount of variability?
Test 1
Test 2
Test 3
50
50
49
48
49
47
51
51
51
46
46
55
49
48
55
48
53
45
49
49
47
49
52
45
50
48
46
50
55
53
7.
This practice problem uses the data contained in the file named Ch. 3 Data Set 3. There are two variables in this data set.
Variable
Definition
Height
Height in inches
Weight
Weight in pounds
Using IBM
®
SPSS
®
software, compute all of the measures of variability you can for height and weight.
8.
Review the following frequency distribution. Create a histogram either by hand or by using some other application such as a Microsoft
®
Excel
®
document.
Class interval
Frequency
90–100
12
80–89
14
70–79
20
60–69
24
50–59
28
40–49
29
30–39
21
20–29
15
10–19
17
0–9
12
9.
A third-grade teacher is looking to improve her students’ level of engagement during group discussions and instruction. She keeps track of each of the 15 third graders’ number of responses every day for 1 week. This information is available in Ch. 4 Data Set 2. Use IBM
®
SPSS
®
software to create a bar chart (one bar .
AbstractKnowledge-Based computerized management information syst.docx
Abstract
Knowledge-Based computerized management information systems could help to reduce potential problems in the administrative decision-making process.
· Clearly state what the article is about and its purpose
The purpose of this paper is to demonstrate the advantages of the Knowledge-Based computerized management information system in the decision-making process. Research shows that it can be used to build the business intelligent decision-making system and help to reduce the potential problems. This article also explained the definition of MIS, various types of MIS, and the effectiveness of MIS which helped me to better understand what management information system is and why it is important.
· How the article and/or author(s) support your argument(s)
In my PA 1 paper, I will identify some research areas in management information system. Business intelligence mentioned in this article is one of the research areas that I will identify in my paper. I will use the information in this article to discuss the benefit for the organization to use the business intelligent decision-making systems such as increasing the productivity.
· Most important aspects of the article
Knowledge-based information systems are dynamic where it was developed designed and program during the of training and learning. From the experience and knowledge, they gained from training, they could differentiate patterns, handwritten symbols, word recognition, forecasting, and other applications especially in business and finance area.
· Any findings and conclusions
Organization should use knowledge-based information systems in decision-making process. Create frameworks that can utilize modern information technology applications at differed administrative levels. Take advantages of benefits provided by the existing knowledge-based information systems in terms of effort, time and money and to be able to adapt to the conditions and environmental changes
· Include the industry example demonstrating the application of your researched article
Applicable for all of the business industries especially financial institutions.
References
Amuna, Y. M. A., Al Shobaki, M. J., & Naser, S. S. A. (2017). The Role of Knowledge-Based Computerized Management Information Systems in the Administrative Decision-Making Process.
MTH 101M7-8 Collecting and Analyzing Data
Show all work to receive credit. Write verbal questions in at least one complete sentence.
1) For each of the following questions, decide if the data is qualitative or quantitative. If it is quantitative, decide if it’s discrete or continuous. Explain the reason for your answer.
a) Janelle is collecting data on the number of ounces of water drank by college students during a typical math class. What type of data is this?
b) Terrance is collecting data on the color of cars in the school parking lot. What type of data is this?
c) Tina is collecting data on the number of goals scored in college soccer games from around th.
AbstractKnowledge-Based computerized management information syst.docx
Abstract
Knowledge-Based computerized management information systems could help to reduce potential problems in the administrative decision-making process.
· Clearly state what the article is about and its purpose
The purpose of this paper is to demonstrate the advantages of the Knowledge-Based computerized management information system in the decision-making process. Research shows that it can be used to build the business intelligent decision-making system and help to reduce the potential problems. This article also explained the definition of MIS, various types of MIS, and the effectiveness of MIS which helped me to better understand what management information system is and why it is important.
· How the article and/or author(s) support your argument(s)
In my PA 1 paper, I will identify some research areas in management information system. Business intelligence mentioned in this article is one of the research areas that I will identify in my paper. I will use the information in this article to discuss the benefit for the organization to use the business intelligent decision-making systems such as increasing the productivity.
· Most important aspects of the article
Knowledge-based information systems are dynamic where it was developed designed and program during the of training and learning. From the experience and knowledge, they gained from training, they could differentiate patterns, handwritten symbols, word recognition, forecasting, and other applications especially in business and finance area.
· Any findings and conclusions
Organization should use knowledge-based information systems in decision-making process. Create frameworks that can utilize modern information technology applications at differed administrative levels. Take advantages of benefits provided by the existing knowledge-based information systems in terms of effort, time and money and to be able to adapt to the conditions and environmental changes
· Include the industry example demonstrating the application of your researched article
Applicable for all of the business industries especially financial institutions.
References
Amuna, Y. M. A., Al Shobaki, M. J., & Naser, S. S. A. (2017). The Role of Knowledge-Based Computerized Management Information Systems in the Administrative Decision-Making Process.
MTH 101M7-8 Collecting and Analyzing Data
Show all work to receive credit. Write verbal questions in at least one complete sentence.
1) For each of the following questions, decide if the data is qualitative or quantitative. If it is quantitative, decide if it’s discrete or continuous. Explain the reason for your answer.
a) Janelle is collecting data on the number of ounces of water drank by college students during a typical math class. What type of data is this?
b) Terrance is collecting data on the color of cars in the school parking lot. What type of data is this?
c) Tina is collecting data on the number of goals scored in college soccer games from around th.
Practice Test 1
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http://www.youtube.com/onlineteaching
Elementary Statistics Practice Test 1
Module 1: Chapters 1-3
Chapter 1: Introduction to Statistics.
Chapter 2: Exploring Data with Tables and Graphs.
Chapter 3: Describing, Exploring, and Comparing Data.
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1. (TCO 1) An Input Area (as it applies to Excel 2010) is defined as______.
2. (TCO 1) In Excel 2010, a sheet tab ________.
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4. (TCO 1) Which of the following best describes the order of precedence as it applies to math operations in Excel?
STAT 200 Introduction to Statistics Final Examination, Spri.docx
STAT 200: Introduction to Statistics
Final Examination, Spring 2019 OL3
Page 1 of 8
STAT 200
OL3 Sections
Final Exam
Spring 2019
The final exam will be posted at 12:01 am on April 19, 2019, and
it is due at 11:59 pm on April 21, 2019 Eastern Time.
This is an open-book exam. You may refer to your text and other course materials
for the current course as you work on the exam, and you may use a calculator,
applets, or Excel. You must complete the exam individually. Neither collaboration
nor consultation with others is allowed. It is a violation of the UMUC Academic
Dishonesty and Plagiarism policy to use unauthorized materials or work from
others.
Answer all 20 questions. Make sure your answers are as complete as possible,
particularly when it asks for you to show your work. Answers that come straight
from calculators, programs or software packages without any explanation will not
be accepted. If you need to use technology (for example, Excel, online or hand-
held calculators, statistical packages) to aid in your calculation, you must cite the
sources and explain how you get the results. For example, state the Excel function
along with the required parameters when using Excel; describe the detailed steps
when using a hand-held calculator; or provide the URL and detailed steps when
using an online calculator, and so on.
Record your answers and work on the separate answer sheet provided.
This exam has 20 problems; 5% for each problems.
You must include the Honor Pledge on the title page of your submitted final exam.
Exams submitted without the Honor Pledge will not be accepted.
STAT 200: Introduction to Statistics
Final Examination, Spring 2019 OL3
Page 2 of 8
1. You wish to estimate the mean cholesterol levels of patients two days after they had a heart attack. To
estimate the mean, you collect data from 28 heart patients. Justify for full credit.
(a) Which of the followings is the sample?
(i) Mean cholesterol levels of 28 patients recovering from a heart attack suffered two
days ago
(ii) Cholesterol level of the person recovering from heart attack suffered two days ago
(iii) Set of all patients recovering from a heart attack suffered two days ago
(iv) Set of 28 patients recovering from a heart attack suffered two days ago
(b) Which of the followings is the variable?
(i) Mean cholesterol levels of 28 patients recovering from a heart attack suffered two
days ago
(ii) Cholesterol level of the person recovering from heart attack suffered two days ago
(iii) Set of all patients recovering from a heart attack suffered two days ago
(iv) Set of 28 patients recovering from a heart attack suffered two days ago
2. In order to collect data on the number of courses that your classmates take in this semester, you plan
on asking them: “How many UMUC courses are you taking in this semester? “Justify for full credit.
(a) Which type of d.
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The Problem of the Chinese Basketball Association Competing for the Championship
In China, basketball is a very popular sport and is loved by the people. The Chinese Basketball Association is China's highest-level basketball league. While watching the game, more and more people want to predict the outcome of the game. There are currently 14 teams participating in the game. According to the rules of the match, the game is divided into two stages: regular season and playoffs. Each game must have a victory, and each team has a fixed number. This article is based on about 100 historical score data from each team for four years, By building a mathematical model, Analyze and calculate the winning probability of the 14 teams. And give a qualitative analysis of the level of the 14 teams in the CBA league.
Engineering Statistics
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Erbil Technical Engineering College
1 3 my statlab module one problem set complete solutions correct answers key
1-3 MyStatLab Module One Problem Set complete solutions correct answers key
https://www.coursemerit.com/solution-details/24589/1-3-MyStatLab-Module-One-Problem-Set-complete-solutions-correct-answers-key
STAT 200 Introduction to Statistics Page 1 of91. True or .docx
STAT 200: Introduction to Statistics Page 1 of9
1. True or False. Show work.
(a) If A and B are disjoint, peA) = 0.4 and PCB) = 0.5, then peA OR B) = 0.9.
(b) If the variance for a data set is zero, then all the observations in this data set must be
identicaL
(c) There may be more than one mode in a data set.
(d) A 90% confidence interval is wider than a 95% confidence interval of the same parameter.
(e) In a right-tailed test, the value of the test statistic is 2. The test statistic follows a
distribution with the distribution curve shown below. If we know the shaded area is 0.03,
then we have sufficient evidence to reject the null hypothesis at 0.05 level of significance.
2. Choose the best answer. Show work.
(a) UMUC STAT Club wanted to estimate the study hours of STAT 200 students. One STAT 200
section was randomly selected and all students from that section were asked to fill out the
questionnaire. This type of sampling is called:
(i) cluster
(ii) convenience
(iii) systematic
(iv) stratified
STAT 200: Introduction to Statistics Page 2 of9
(b) A study was conducted at a local college to analyze the trend of average GPA of all students
graduated from the college. According to the Registrar, the average GPA for students with
economics major from the class of2016 is 3.5. The value 3.5 is a
(i) statistic
(ii) parameter
(iii) cannot be determined
STAT 200: Introductionto Statistics Page 3 of9
(c) The hotel ratings are usually on a scale from 0 star to 5 stars. The level of this measurement is
(i) interval
(ii) nominal
(iii) ordinal
(iv) ratio
(d) 500 students took a chemistry test. You sampled 100 students to estimate the average score and
the standard deviation. How many degrees of freedom were there in the estimation of the
standard deviation?
(i) 99
(ii) 100
(iii) 499
(iv) 500
(e) You choose an alpha level of 0.01 and then analyze your data. What is the probability that you will
make a Type Ierror given that the null hypothesis is true?
(i) 0.025
(ii) 0.05
(iii) 0.01
(iv) 0.10
STAT 200: Introduction to Statistics Page 4 of9
3. A random sample of 500 students was chosen from UMUC STAT 200 classes. The frequency
distribution below shows the distribution for study time each week (in hours). Show work.
Study Time (in hours) Frequency Relative Frequency
0.0-5.0 40
5.1-10.0 100
10.1-15.0 0.25
15.1- 20.0 120
20.1- 25.0
Total 500
(a) Complete the frequency table with frequency and relative frequency. Express the relative
frequency to two decimal places.
(b) What percentage of the study times was not more than 15 hours?
(c) In what class interval must the median lie? 5.1-10.0, 10.1 -15.0, 15.1- 20.0, or 20.1 - 25.0?
Why?
STAT 200: Introduction to Statistics Page 5 of9
4. The five-number summary below shows the grade distribution of a STAT 200 quiz for a
sample of 500 students.
20 45 65 75 tOO
o /0 20 30 40 50 60 70 80 90 100
Answer each question based on the given information, and explain your answer in each
ca.
ELEMENTS OF STATISTICS / TUTORIALOUTLET DOT COM
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Final Project ScenarioA researcher has administered an anxiety.docx
Final Project Scenario
A researcher has administered an anxiety survey to students enrolled in graduate level statistics courses. The survey included three subscales related to statistics anxiety: (a) interpretation anxiety, (b) test anxiety, and (c) fear of asking for help. For the items that comprised the scales, students were asked to respond using a 5 point likert-type scale ranging from (1) No Anxiety to (5) High Anxiety. Therefore, higher scores on the anxiety subscales implied higher levels of anxiety.
In addition to the statistics anxiety subscales, the survey contained a subscale related to the use of statistical software and a subscale related to self-perceived confidence concerning general computer use. Students responded to items on the statistical software subscale using a response range from (1) Strongly Disagree to (7) Strongly Agree. For the computer confidence subscale, students responded to items using a range from (1) Strongly Disagree to (5) Strongly Agree. For each of these subscales, higher scores implied higher levels of confidence.
The researcher determined the score for each subscale by computing the mean response for the items associated with the subscale. This technique resulted in subscales that had the same possible range and the items that made up the subscale.
A subsample of the researcher’s dataset contains the following variables that should be used for completing the four final projects. The variables included in the dataset are:
Variable name:
Label:
Values:
gender
1: Female
2: Male
race
1: White
2: Non-White
age
courses
Number of online courses completed
1: 0-2 courses
2: 3-7 courses
3: 8 or more courses
interpret
Anxiety associated with reading and interpreting output from analyses
test
Anxiety associated with taking a test in a statistics course
help
Anxiety associated with asking for help during a statistics course
software
Self-reported level of confidence is using statistical software
computer
Self-reported confidence in general computer use
Final Project 1:
Use SPSS to conduct the necessary analysis of the Age variable and answer each of the following questions.
Questions:
1. What is the value of n?
2. What is the mean age?
3. What is the median age?
4. What was the youngest age?
5. What was the oldest age?
6. What is the range of ages?
7. What is the standard deviation of the ages?
8. What is the value of the skewness statistic?
9. What are the values of the 25th, 50th, and 75th percentiles?
10. Present the results as they might appear in an article. This must include a table and narrative statement that provides a thorough description of the central tendency and distribution of the ages.
Final Project 2
One of the researcher’s questions involved the difference in scores on the Interpretation Anxiety subscale between male and female respondents. Use SPSS to conduct the analysis that is appropriate for this research question and answer each o ...
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AbstractKnowledge-Based computerized management information syst.docx
Abstract
Knowledge-Based computerized management information systems could help to reduce potential problems in the administrative decision-making process.
· Clearly state what the article is about and its purpose
The purpose of this paper is to demonstrate the advantages of the Knowledge-Based computerized management information system in the decision-making process. Research shows that it can be used to build the business intelligent decision-making system and help to reduce the potential problems. This article also explained the definition of MIS, various types of MIS, and the effectiveness of MIS which helped me to better understand what management information system is and why it is important.
· How the article and/or author(s) support your argument(s)
In my PA 1 paper, I will identify some research areas in management information system. Business intelligence mentioned in this article is one of the research areas that I will identify in my paper. I will use the information in this article to discuss the benefit for the organization to use the business intelligent decision-making systems such as increasing the productivity.
· Most important aspects of the article
Knowledge-based information systems are dynamic where it was developed designed and program during the of training and learning. From the experience and knowledge, they gained from training, they could differentiate patterns, handwritten symbols, word recognition, forecasting, and other applications especially in business and finance area.
· Any findings and conclusions
Organization should use knowledge-based information systems in decision-making process. Create frameworks that can utilize modern information technology applications at differed administrative levels. Take advantages of benefits provided by the existing knowledge-based information systems in terms of effort, time and money and to be able to adapt to the conditions and environmental changes
· Include the industry example demonstrating the application of your researched article
Applicable for all of the business industries especially financial institutions.
References
Amuna, Y. M. A., Al Shobaki, M. J., & Naser, S. S. A. (2017). The Role of Knowledge-Based Computerized Management Information Systems in the Administrative Decision-Making Process.
MTH 101M7-8 Collecting and Analyzing Data
Show all work to receive credit. Write verbal questions in at least one complete sentence.
1) For each of the following questions, decide if the data is qualitative or quantitative. If it is quantitative, decide if it’s discrete or continuous. Explain the reason for your answer.
a) Janelle is collecting data on the number of ounces of water drank by college students during a typical math class. What type of data is this?
b) Terrance is collecting data on the color of cars in the school parking lot. What type of data is this?
c) Tina is collecting data on the number of goals scored in college soccer games from around th.
AbstractKnowledge-Based computerized management information syst.docx
Abstract
Knowledge-Based computerized management information systems could help to reduce potential problems in the administrative decision-making process.
· Clearly state what the article is about and its purpose
The purpose of this paper is to demonstrate the advantages of the Knowledge-Based computerized management information system in the decision-making process. Research shows that it can be used to build the business intelligent decision-making system and help to reduce the potential problems. This article also explained the definition of MIS, various types of MIS, and the effectiveness of MIS which helped me to better understand what management information system is and why it is important.
· How the article and/or author(s) support your argument(s)
In my PA 1 paper, I will identify some research areas in management information system. Business intelligence mentioned in this article is one of the research areas that I will identify in my paper. I will use the information in this article to discuss the benefit for the organization to use the business intelligent decision-making systems such as increasing the productivity.
· Most important aspects of the article
Knowledge-based information systems are dynamic where it was developed designed and program during the of training and learning. From the experience and knowledge, they gained from training, they could differentiate patterns, handwritten symbols, word recognition, forecasting, and other applications especially in business and finance area.
· Any findings and conclusions
Organization should use knowledge-based information systems in decision-making process. Create frameworks that can utilize modern information technology applications at differed administrative levels. Take advantages of benefits provided by the existing knowledge-based information systems in terms of effort, time and money and to be able to adapt to the conditions and environmental changes
· Include the industry example demonstrating the application of your researched article
Applicable for all of the business industries especially financial institutions.
References
Amuna, Y. M. A., Al Shobaki, M. J., & Naser, S. S. A. (2017). The Role of Knowledge-Based Computerized Management Information Systems in the Administrative Decision-Making Process.
MTH 101M7-8 Collecting and Analyzing Data
Show all work to receive credit. Write verbal questions in at least one complete sentence.
1) For each of the following questions, decide if the data is qualitative or quantitative. If it is quantitative, decide if it’s discrete or continuous. Explain the reason for your answer.
a) Janelle is collecting data on the number of ounces of water drank by college students during a typical math class. What type of data is this?
b) Terrance is collecting data on the color of cars in the school parking lot. What type of data is this?
c) Tina is collecting data on the number of goals scored in college soccer games from around th.
Practice Test 1
Please Subscribe to this Channel for more solutions and lectures
http://www.youtube.com/onlineteaching
Elementary Statistics Practice Test 1
Module 1: Chapters 1-3
Chapter 1: Introduction to Statistics.
Chapter 2: Exploring Data with Tables and Graphs.
Chapter 3: Describing, Exploring, and Comparing Data.
Math 221 Massive Success / snaptutorial.com
1. (TCO 1) An Input Area (as it applies to Excel 2010) is defined as______.
2. (TCO 1) In Excel 2010, a sheet tab ________.
3. (TCO 1) Which of the following best describes the AutoComplete function?
4. (TCO 1) Which of the following best describes the order of precedence as it applies to math operations in Excel?
STAT 200 Introduction to Statistics Final Examination, Spri.docx
STAT 200: Introduction to Statistics
Final Examination, Spring 2019 OL3
Page 1 of 8
STAT 200
OL3 Sections
Final Exam
Spring 2019
The final exam will be posted at 12:01 am on April 19, 2019, and
it is due at 11:59 pm on April 21, 2019 Eastern Time.
This is an open-book exam. You may refer to your text and other course materials
for the current course as you work on the exam, and you may use a calculator,
applets, or Excel. You must complete the exam individually. Neither collaboration
nor consultation with others is allowed. It is a violation of the UMUC Academic
Dishonesty and Plagiarism policy to use unauthorized materials or work from
others.
Answer all 20 questions. Make sure your answers are as complete as possible,
particularly when it asks for you to show your work. Answers that come straight
from calculators, programs or software packages without any explanation will not
be accepted. If you need to use technology (for example, Excel, online or hand-
held calculators, statistical packages) to aid in your calculation, you must cite the
sources and explain how you get the results. For example, state the Excel function
along with the required parameters when using Excel; describe the detailed steps
when using a hand-held calculator; or provide the URL and detailed steps when
using an online calculator, and so on.
Record your answers and work on the separate answer sheet provided.
This exam has 20 problems; 5% for each problems.
You must include the Honor Pledge on the title page of your submitted final exam.
Exams submitted without the Honor Pledge will not be accepted.
STAT 200: Introduction to Statistics
Final Examination, Spring 2019 OL3
Page 2 of 8
1. You wish to estimate the mean cholesterol levels of patients two days after they had a heart attack. To
estimate the mean, you collect data from 28 heart patients. Justify for full credit.
(a) Which of the followings is the sample?
(i) Mean cholesterol levels of 28 patients recovering from a heart attack suffered two
days ago
(ii) Cholesterol level of the person recovering from heart attack suffered two days ago
(iii) Set of all patients recovering from a heart attack suffered two days ago
(iv) Set of 28 patients recovering from a heart attack suffered two days ago
(b) Which of the followings is the variable?
(i) Mean cholesterol levels of 28 patients recovering from a heart attack suffered two
days ago
(ii) Cholesterol level of the person recovering from heart attack suffered two days ago
(iii) Set of all patients recovering from a heart attack suffered two days ago
(iv) Set of 28 patients recovering from a heart attack suffered two days ago
2. In order to collect data on the number of courses that your classmates take in this semester, you plan
on asking them: “How many UMUC courses are you taking in this semester? “Justify for full credit.
(a) Which type of d.
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Data handling
This powerpoint presentation is for students who love mathematics & as well for school students
Chapter 8 Measure of Dispersion of Data
MATHEMATICS FORM 4 KSSM
CHAPTER 8 MEASURE OF DISPERSION OF DATA
WORKSHEET FOR CLASS DISCUSSION
The Problem of the Chinese Basketball Association Competing for the Championship
In China, basketball is a very popular sport and is loved by the people. The Chinese Basketball Association is China's highest-level basketball league. While watching the game, more and more people want to predict the outcome of the game. There are currently 14 teams participating in the game. According to the rules of the match, the game is divided into two stages: regular season and playoffs. Each game must have a victory, and each team has a fixed number. This article is based on about 100 historical score data from each team for four years, By building a mathematical model, Analyze and calculate the winning probability of the 14 teams. And give a qualitative analysis of the level of the 14 teams in the CBA league.
Engineering Statistics
Engineering Statistics.pdf
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Erbil Polytechnic University
Erbil Technical Engineering College
1 3 my statlab module one problem set complete solutions correct answers key
1-3 MyStatLab Module One Problem Set complete solutions correct answers key
https://www.coursemerit.com/solution-details/24589/1-3-MyStatLab-Module-One-Problem-Set-complete-solutions-correct-answers-key
STAT 200 Introduction to Statistics Page 1 of91. True or .docx
STAT 200: Introduction to Statistics Page 1 of9
1. True or False. Show work.
(a) If A and B are disjoint, peA) = 0.4 and PCB) = 0.5, then peA OR B) = 0.9.
(b) If the variance for a data set is zero, then all the observations in this data set must be
identicaL
(c) There may be more than one mode in a data set.
(d) A 90% confidence interval is wider than a 95% confidence interval of the same parameter.
(e) In a right-tailed test, the value of the test statistic is 2. The test statistic follows a
distribution with the distribution curve shown below. If we know the shaded area is 0.03,
then we have sufficient evidence to reject the null hypothesis at 0.05 level of significance.
2. Choose the best answer. Show work.
(a) UMUC STAT Club wanted to estimate the study hours of STAT 200 students. One STAT 200
section was randomly selected and all students from that section were asked to fill out the
questionnaire. This type of sampling is called:
(i) cluster
(ii) convenience
(iii) systematic
(iv) stratified
STAT 200: Introduction to Statistics Page 2 of9
(b) A study was conducted at a local college to analyze the trend of average GPA of all students
graduated from the college. According to the Registrar, the average GPA for students with
economics major from the class of2016 is 3.5. The value 3.5 is a
(i) statistic
(ii) parameter
(iii) cannot be determined
STAT 200: Introductionto Statistics Page 3 of9
(c) The hotel ratings are usually on a scale from 0 star to 5 stars. The level of this measurement is
(i) interval
(ii) nominal
(iii) ordinal
(iv) ratio
(d) 500 students took a chemistry test. You sampled 100 students to estimate the average score and
the standard deviation. How many degrees of freedom were there in the estimation of the
standard deviation?
(i) 99
(ii) 100
(iii) 499
(iv) 500
(e) You choose an alpha level of 0.01 and then analyze your data. What is the probability that you will
make a Type Ierror given that the null hypothesis is true?
(i) 0.025
(ii) 0.05
(iii) 0.01
(iv) 0.10
STAT 200: Introduction to Statistics Page 4 of9
3. A random sample of 500 students was chosen from UMUC STAT 200 classes. The frequency
distribution below shows the distribution for study time each week (in hours). Show work.
Study Time (in hours) Frequency Relative Frequency
0.0-5.0 40
5.1-10.0 100
10.1-15.0 0.25
15.1- 20.0 120
20.1- 25.0
Total 500
(a) Complete the frequency table with frequency and relative frequency. Express the relative
frequency to two decimal places.
(b) What percentage of the study times was not more than 15 hours?
(c) In what class interval must the median lie? 5.1-10.0, 10.1 -15.0, 15.1- 20.0, or 20.1 - 25.0?
Why?
STAT 200: Introduction to Statistics Page 5 of9
4. The five-number summary below shows the grade distribution of a STAT 200 quiz for a
sample of 500 students.
20 45 65 75 tOO
o /0 20 30 40 50 60 70 80 90 100
Answer each question based on the given information, and explain your answer in each
ca.
ELEMENTS OF STATISTICS / TUTORIALOUTLET DOT COM
Unit 3 Problem Set NAME: Elements of Statistics--FHSU Virtual College--Spring 2017
REMEMBER, these are assessed preparatory problems related to the content of Unit 3. The Unit 3 Exam will consist of similar types of
Final Project ScenarioA researcher has administered an anxiety.docx
Final Project Scenario
A researcher has administered an anxiety survey to students enrolled in graduate level statistics courses. The survey included three subscales related to statistics anxiety: (a) interpretation anxiety, (b) test anxiety, and (c) fear of asking for help. For the items that comprised the scales, students were asked to respond using a 5 point likert-type scale ranging from (1) No Anxiety to (5) High Anxiety. Therefore, higher scores on the anxiety subscales implied higher levels of anxiety.
In addition to the statistics anxiety subscales, the survey contained a subscale related to the use of statistical software and a subscale related to self-perceived confidence concerning general computer use. Students responded to items on the statistical software subscale using a response range from (1) Strongly Disagree to (7) Strongly Agree. For the computer confidence subscale, students responded to items using a range from (1) Strongly Disagree to (5) Strongly Agree. For each of these subscales, higher scores implied higher levels of confidence.
The researcher determined the score for each subscale by computing the mean response for the items associated with the subscale. This technique resulted in subscales that had the same possible range and the items that made up the subscale.
A subsample of the researcher’s dataset contains the following variables that should be used for completing the four final projects. The variables included in the dataset are:
Variable name:
Label:
Values:
gender
1: Female
2: Male
race
1: White
2: Non-White
age
courses
Number of online courses completed
1: 0-2 courses
2: 3-7 courses
3: 8 or more courses
interpret
Anxiety associated with reading and interpreting output from analyses
test
Anxiety associated with taking a test in a statistics course
help
Anxiety associated with asking for help during a statistics course
software
Self-reported level of confidence is using statistical software
computer
Self-reported confidence in general computer use
Final Project 1:
Use SPSS to conduct the necessary analysis of the Age variable and answer each of the following questions.
Questions:
1. What is the value of n?
2. What is the mean age?
3. What is the median age?
4. What was the youngest age?
5. What was the oldest age?
6. What is the range of ages?
7. What is the standard deviation of the ages?
8. What is the value of the skewness statistic?
9. What are the values of the 25th, 50th, and 75th percentiles?
10. Present the results as they might appear in an article. This must include a table and narrative statement that provides a thorough description of the central tendency and distribution of the ages.
Final Project 2
One of the researcher’s questions involved the difference in scores on the Interpretation Anxiety subscale between male and female respondents. Use SPSS to conduct the analysis that is appropriate for this research question and answer each o ...
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STAT 200 Introduction to Statistics Final Examination, Spri.docx
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The Problem of the Chinese Basketball Association Competing for the Championship
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1 3 my statlab module one problem set complete solutions correct answers key
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STAT 200 Introduction to Statistics Page 1 of91. True or .docx
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Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
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FCPS Physiology
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MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
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Describe the structure and function of taste buds.
Describe the relationship between the taste threshold and taste index of common substances.
Explain the chemical basis and signal transduction of taste perception for each type of primary taste sensation.
Recognize different abnormalities of taste perception and their causes.
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Supertasters:
25% of the population with heightened sensitivity to taste, especially bitterness
Increased number of fungiform papillae
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Exer chp1 2
- 1. INFO 2701 – FOUNDATION OF QUANTIATIVE ANALYSIS SEM 1 2015 / 2016 1 EXERCISE_02 – CHAPTER 1 & 2 1. Identify the data setʹs level of measurement. A. Nominal B. Ordinal C. Interval D. Ratio i) Hair color of women on a high schooltennis team ii) Numbers on the shirts of a girlʹs soccerteam iii) Ages of students in a statistic class 2. These data represent the record high temperatures in degrees Fahrenheit (_F) for each of the 50 states. Construct a grouped frequency distribution for the data using 7 classes. 3. Find the class boundaries,midpoints, and widths for each class. i) 32–38 ii) 86–104 iii) 895–905 iv) 12.3–13.5 v) 3.18–4.96 4. Miles Run per Week Construct a histogram, frequency polygon, and ogive using relative frequencies for the distribution (shown here) of the miles that 20 randomly selected runners ran during a given week. 5. Counties, Divisions, or Parishes for 50 States The number of counties,divisions, or parishes for each of the 50 states is given below. Use the data to construct a grouped frequency distribution with 6 classes,a histogram, a frequency polygon,and an ogive. Analyze the distribution. 67 27 15 75 58 64 8 67 159 5 102 44 92 99 105 120 64 16 23 14 83 87 82 114 56 93 16 10 21 33 62 100 53 88 77 36 67 5 46 66 95 254 29 14 95 39 55 72 23 3 Source: World Almanac and Book of Facts.
- 2. INFO 2701 – FOUNDATION OF QUANTIATIVE ANALYSIS SEM 1 2015 / 2016 2 6. Calories Burned While Exercising Construct a Pareto chart for the following data on exercise. 7. Safety Record of U.S. Airlines The safety record of U.S. airlines for 10 years is shown. Construct a time series graph for the data. 8. Reasons We Travel The following data are based on a survey from American Travel Survey on why people travel. Construct a pie graph for the data and analyze the results. 9. Find the mean, median, and mode of the following numbers: 73 76 69 73 66 74 73 67 68 71 10. The heights (in inches) of 20 adult males are listed below. Find the range of the data set. 70 72 71 70 69 73 69 68 70 71 67 71 70 74 69 68 71 71 71 72 11. Find the sample standard deviation. 22 29 21 24 27 28 25 36 12. The mean IQ score of students in a particular calculus class is 110, with a standard deviation of 5. Use the Empirical Rule to find the percentage of students with an IQ above 120. (Assume the data set has a bell – shaped distribution.) 13. The test scores of 30 students are listed below. Find the five-number summary. 31 41 45 48 52 55 56 58 63 65 67 67 69 70 70 74 75 78 79 79 80 81 83 85 85 87 90 92 95 99