131 141 Chi Square Goodness Of Fit
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The document discusses the chi-square test for goodness of fit and provides two examples. It explains that the chi-square test can determine if observed counts match hypothesized distributions or if distributions are the same across populations. Example 1 analyzes car sales distributions and finds they do not match the previous year. Example 2 examines the distribution of car accidents by day of week and finds they are not equally likely each day.
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Question1The Tri-City School District has instituted a zero-tol.docx
Question1:
The Tri-City School District has instituted a zero-tolerance policy for students carrying any objects that could be used as weapons. The following data give the number of students suspended during each of the past 12 weeks for violating this school policy.
Find the mean, median, and mode.
Round your answers to two decimal places, where appropriate.
Mean = Median = Mode =
Question 2:
Recall the following from section 3.1 of the text. Mean : The mean for ungrouped data is obtained by dividing the sum of all values by the number of values in the data set. Median: The median is the value of the middle term in a data set that has been ranked in increasing order. If there is an even number of data, find the average of the two middle data values. Mode: The mode is the value that occurs with the highest frequency in a data set. If there are more than one data values with the highest frequency in a data set, we will have multiple modes. If all data values have the same frequency of occurrences, then the data set has no mode.
26,32,27,23,34,33,29,43,23,28
(a) Arrange the data in increasing order:
(b) Calculate the mean. The mean =
Question 3:
The following data represent the 2011 guaranteed salaries (in thousands of dollars) of the head coaches of the final eight teams in the 2011 NCAA Men's Basketball Championship. The data represent the 2011 salaries of basketball coaches of the following universities, entered in that order: Arizona, Butler, Connecticut, Florida, Kansas, Kentucky, North Carolina, and Virginia Commonwealth. (Source: www.usatoday.com)
1950,434,2300,3575,3376,3800,1655,418
Compute the range, variance and standard deviation for these data.
Round your answers to the nearest integer, where appropriate.
Range = $
Variance =
Standard deviation = $
Question 4:
The 2011 gross sales of all firms in a large city have a mean of $3.6 million and a standard deviation of $0.7 million. Using Chebyshev′s theorem, find a lower bound on the percentage of firms in this city that had 2011 gross sales between $0.8 and $6.4 million.
Round the answer to the nearest percent.
The lower bound on the percentage is at least %
Questiono 5:
The 2011 gross sales of all firms in a large city have a mean of $2.4 million and a standard deviation of $ 0.6 million. Using Chebyshev's theorem, find at least what percentage of firms in this city had 2011 gross sales of $1.0 to $3.8 million. Round your answer to the nearest whole number.
%
Question 6:
The following data give the weights (in pounds) lost by 15 members of a health club at the end of two months after joining the club.
5 10 8 7 24 12 5 13 11 10 21 9 8 11 18
(a) Calculate the approximate value of the 82nd percentile, denoted P82.
P82 =
(b) Find the percentile rank of 11.
Give the answer rounded to the nearest percent.
The percentile rank of 11 =
Question 7:
In a group of households, the national news is watched on one of the following networks – ABC, CBS ...
ByPREFERENCES FOR CAR CHOICE IN UNITED STATES.docx
By
PREFERENCES FOR CAR CHOICE
IN UNITED STATES
Thank you
PREFERENCES FOR CAR CHOICE IN THE UNITED STATES 2
PREFERENCES FOR CAR CHOICE IN THE UNITED STATES 2
Table of Contents
Introduction………………………………………………………………………………………..3
Background3
Data Analysis4
Data Visualization9
Conclusion16
References17
Introduction
The most common applications of Statistics is describing a set of descriptive data statistics, regression, and hypothesis testing and inferential statistics. The two main branches are descriptive and inferential statistics. People who do not have any formal training in statistics are more familiar with inferential statistics than with descriptive statistics. In this paper, the data will analyze using descriptive statistics. So we will focus on the descriptive branch of the statistics.
Descriptive Statistics Definition
The descriptive statistics are the type of statistical analysis that helps to describe the data in some meaningful way. The statistics are helpful to describe quantitatively about the essential features of the data or information. The descriptive statistics give the summaries of the given sample as well as the observations done. These summaries or descriptions can either be graphical or quantitative.Background
This study will focus on and analyzing & Visualizing the data set about Preferences For Car Choice In The United States. The data set contained 4654 observations and 71 columns. There are several different types of graphs that help describe the statistical data. These graphs are histogram, bar graph, box and whisker plot, line graph, scatter plot, ogive, pie chart, and many more. Generally, the kinds of measurements that can use with descriptive statistics are:
The measure of central tendency describes the data which lies in the center of a given frequency distribution. The main steps of central tendency are mean and median and mode (Nick, 2020).
The spread measure describes how the scores are spread across the entire distribution. In the spread, measurements that are included standard deviation, variance, quartiles, range, absolute difference.Data Analysis
One of the essential concepts of statistics is data analysis. It is the process that is observing the data, analyzing, and modeling the data. The purpose of data analysis is to obtain useful data information and state conclusions which support decision-making. The data analysis can be performed under several techniques using different approaches. The method of data assessment and analysis can be achieved by using analytical and logical approaches to examine each component of the data provided. Data from various sources are collected, reviewed, and then explained for decision making or conclusions. There are several methods for analyzing the results. Data mining, text analytics, and business intelligence are some of the most commonly used techniques and data visualizations.
The data an.
ByPREFERENCES FOR CAR CHOICE IN UNITED STATES.docx
By
PREFERENCES FOR CAR CHOICE
IN UNITED STATES
Thank you
PREFERENCES FOR CAR CHOICE IN THE UNITED STATES 2
PREFERENCES FOR CAR CHOICE IN THE UNITED STATES 2
Table of Contents
Introduction………………………………………………………………………………………..3
Background3
Data Analysis4
Data Visualization9
Conclusion16
References17
Introduction
The most common applications of Statistics is describing a set of descriptive data statistics, regression, and hypothesis testing and inferential statistics. The two main branches are descriptive and inferential statistics. People who do not have any formal training in statistics are more familiar with inferential statistics than with descriptive statistics. In this paper, the data will analyze using descriptive statistics. So we will focus on the descriptive branch of the statistics.
Descriptive Statistics Definition
The descriptive statistics are the type of statistical analysis that helps to describe the data in some meaningful way. The statistics are helpful to describe quantitatively about the essential features of the data or information. The descriptive statistics give the summaries of the given sample as well as the observations done. These summaries or descriptions can either be graphical or quantitative.Background
This study will focus on and analyzing & Visualizing the data set about Preferences For Car Choice In The United States. The data set contained 4654 observations and 71 columns. There are several different types of graphs that help describe the statistical data. These graphs are histogram, bar graph, box and whisker plot, line graph, scatter plot, ogive, pie chart, and many more. Generally, the kinds of measurements that can use with descriptive statistics are:
The measure of central tendency describes the data which lies in the center of a given frequency distribution. The main steps of central tendency are mean and median and mode (Nick, 2020).
The spread measure describes how the scores are spread across the entire distribution. In the spread, measurements that are included standard deviation, variance, quartiles, range, absolute difference.Data Analysis
One of the essential concepts of statistics is data analysis. It is the process that is observing the data, analyzing, and modeling the data. The purpose of data analysis is to obtain useful data information and state conclusions which support decision-making. The data analysis can be performed under several techniques using different approaches. The method of data assessment and analysis can be achieved by using analytical and logical approaches to examine each component of the data provided. Data from various sources are collected, reviewed, and then explained for decision making or conclusions. There are several methods for analyzing the results. Data mining, text analytics, and business intelligence are some of the most commonly used techniques and data visualizations.
The data an.
Applied Business Statistics ,ken black , ch 3 part 1
Applied Business Statistics ,ken black , ch 3 part 1
PAGE 1 Chapter 5 Normal Probability Distributions .docx
PAGE 1
Chapter 5: Normal Probability Distributions
Section 5.1: Intro to Normal Distributions and the Standard Normal Distributions
Objectives:
Normal Distribution Properties
Use z-scores to Calculate Area Under the Standard Normal Curve (using StatCrunch or Calculator)
Discuss Unusual Values
In this section we will revisit histograms which can be estimated with normal (symmetric, bell-shaped) curves. From
Test 1 remember that normal curves have z-scores (for any data value) and areas under the curve (one way: Empirical
Rule). Now we will use these normal curves to find probabilities (areas) and z-scores for any data value. Why do we
need to study this? Eventually we will use these probabilities and z-scores to make decisions.
By using the normal distribution curve, we are treating the data as a continuous random variable that has its own
continuous probability distribution. (Remember that any probability distribution has two properties: all probabilities
are between 0 and 1 and the sum of the probabilities is 1.) **Probabilities = Areas under the curve**
Ex: Consider the normal distribution curves below. Which normal curve has the greatest mean? Which normal curve has
the greatest standard deviation?
Note: Every normal distribution can be transformed into the Standard Normal Distribution (the distribution for z-
scores). This means we will use the z-score formula to transform any data value into a “measure of position” with the
formula:
data value mean
standard deviation
z
PAGE 2
**All probability calculations will be done with either StatCrunch or the TI 83/84 calculator. You do NOT need to learn
how to read the Standard Normal Table.**
**Also < and are treated the same as well as > and for any continuous probability distribution.**
Ex: Confirm that the area to the left of z = 1.15 is 0.8749. **Label the z-score and the area.**
StatCrunch: Stat menu, Calculators, Normal, enter inequality symbol and z-score, Compute
TI-83/84: 2nd VARS normalcdf( -1000000000 Comma 1.15 Comma 0 Comma 1 enter
P(z 1.15) = 0.8749
Ex: Confirm that the cumulative area that corresponds to z = -0.24 is 0.4052. **Label the z-score and the area.**
StatCrunch: Stat menu, Calculators, Normal, Standard, enter inequality symbol and z-score, Compute
TI-83/84: 2nd VARS normalcdf( -1000000000 Comma -0.24 Comma 0 Comma 1 enter
P(z -0.24) = 0.4052
PAGE 3
Ex: Find the area to right of each z-score. Hint: Use the fact that the total area (probability) is 1. **Label the z-score and
the area.**
a) b)
P(z 1.15) = _________________ P(z -0.24) = _________________
Ex: Find the shaded area. **Label the z-score and the area.**
StatCrunch: Stat menu, Calculators, Normal, Stand.
Business statistics nmims latest solved assignments
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Mail us at : help.mbaassignments@gmail.com
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1. The mean gas mileage for a hybrid car is 56 miles per gallon. Suppose that the gasoline mileage is approximately normally distributed with a standard deviation of 3.2 miles per gallon.
2. What conditions must n satisfy to make the x2 test valid?
3. To use the t-statistic to test for a difference between the means of two populations, what assumptions must be made about the two populations? About the two samples?
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Question1:
The Tri-City School District has instituted a zero-tolerance policy for students carrying any objects that could be used as weapons. The following data give the number of students suspended during each of the past 12 weeks for violating this school policy.
Find the mean, median, and mode.
Round your answers to two decimal places, where appropriate.
Mean = Median = Mode =
Question 2:
Recall the following from section 3.1 of the text. Mean : The mean for ungrouped data is obtained by dividing the sum of all values by the number of values in the data set. Median: The median is the value of the middle term in a data set that has been ranked in increasing order. If there is an even number of data, find the average of the two middle data values. Mode: The mode is the value that occurs with the highest frequency in a data set. If there are more than one data values with the highest frequency in a data set, we will have multiple modes. If all data values have the same frequency of occurrences, then the data set has no mode.
26,32,27,23,34,33,29,43,23,28
(a) Arrange the data in increasing order:
(b) Calculate the mean. The mean =
Question 3:
The following data represent the 2011 guaranteed salaries (in thousands of dollars) of the head coaches of the final eight teams in the 2011 NCAA Men's Basketball Championship. The data represent the 2011 salaries of basketball coaches of the following universities, entered in that order: Arizona, Butler, Connecticut, Florida, Kansas, Kentucky, North Carolina, and Virginia Commonwealth. (Source: www.usatoday.com)
1950,434,2300,3575,3376,3800,1655,418
Compute the range, variance and standard deviation for these data.
Round your answers to the nearest integer, where appropriate.
Range = $
Variance =
Standard deviation = $
Question 4:
The 2011 gross sales of all firms in a large city have a mean of $3.6 million and a standard deviation of $0.7 million. Using Chebyshev′s theorem, find a lower bound on the percentage of firms in this city that had 2011 gross sales between $0.8 and $6.4 million.
Round the answer to the nearest percent.
The lower bound on the percentage is at least %
Questiono 5:
The 2011 gross sales of all firms in a large city have a mean of $2.4 million and a standard deviation of $ 0.6 million. Using Chebyshev's theorem, find at least what percentage of firms in this city had 2011 gross sales of $1.0 to $3.8 million. Round your answer to the nearest whole number.
%
Question 6:
The following data give the weights (in pounds) lost by 15 members of a health club at the end of two months after joining the club.
5 10 8 7 24 12 5 13 11 10 21 9 8 11 18
(a) Calculate the approximate value of the 82nd percentile, denoted P82.
P82 =
(b) Find the percentile rank of 11.
Give the answer rounded to the nearest percent.
The percentile rank of 11 =
Question 7:
In a group of households, the national news is watched on one of the following networks – ABC, CBS ...
ByPREFERENCES FOR CAR CHOICE IN UNITED STATES.docx
By
PREFERENCES FOR CAR CHOICE
IN UNITED STATES
Thank you
PREFERENCES FOR CAR CHOICE IN THE UNITED STATES 2
PREFERENCES FOR CAR CHOICE IN THE UNITED STATES 2
Table of Contents
Introduction………………………………………………………………………………………..3
Background3
Data Analysis4
Data Visualization9
Conclusion16
References17
Introduction
The most common applications of Statistics is describing a set of descriptive data statistics, regression, and hypothesis testing and inferential statistics. The two main branches are descriptive and inferential statistics. People who do not have any formal training in statistics are more familiar with inferential statistics than with descriptive statistics. In this paper, the data will analyze using descriptive statistics. So we will focus on the descriptive branch of the statistics.
Descriptive Statistics Definition
The descriptive statistics are the type of statistical analysis that helps to describe the data in some meaningful way. The statistics are helpful to describe quantitatively about the essential features of the data or information. The descriptive statistics give the summaries of the given sample as well as the observations done. These summaries or descriptions can either be graphical or quantitative.Background
This study will focus on and analyzing & Visualizing the data set about Preferences For Car Choice In The United States. The data set contained 4654 observations and 71 columns. There are several different types of graphs that help describe the statistical data. These graphs are histogram, bar graph, box and whisker plot, line graph, scatter plot, ogive, pie chart, and many more. Generally, the kinds of measurements that can use with descriptive statistics are:
The measure of central tendency describes the data which lies in the center of a given frequency distribution. The main steps of central tendency are mean and median and mode (Nick, 2020).
The spread measure describes how the scores are spread across the entire distribution. In the spread, measurements that are included standard deviation, variance, quartiles, range, absolute difference.Data Analysis
One of the essential concepts of statistics is data analysis. It is the process that is observing the data, analyzing, and modeling the data. The purpose of data analysis is to obtain useful data information and state conclusions which support decision-making. The data analysis can be performed under several techniques using different approaches. The method of data assessment and analysis can be achieved by using analytical and logical approaches to examine each component of the data provided. Data from various sources are collected, reviewed, and then explained for decision making or conclusions. There are several methods for analyzing the results. Data mining, text analytics, and business intelligence are some of the most commonly used techniques and data visualizations.
The data an.
ByPREFERENCES FOR CAR CHOICE IN UNITED STATES.docx
By
PREFERENCES FOR CAR CHOICE
IN UNITED STATES
Thank you
PREFERENCES FOR CAR CHOICE IN THE UNITED STATES 2
PREFERENCES FOR CAR CHOICE IN THE UNITED STATES 2
Table of Contents
Introduction………………………………………………………………………………………..3
Background3
Data Analysis4
Data Visualization9
Conclusion16
References17
Introduction
The most common applications of Statistics is describing a set of descriptive data statistics, regression, and hypothesis testing and inferential statistics. The two main branches are descriptive and inferential statistics. People who do not have any formal training in statistics are more familiar with inferential statistics than with descriptive statistics. In this paper, the data will analyze using descriptive statistics. So we will focus on the descriptive branch of the statistics.
Descriptive Statistics Definition
The descriptive statistics are the type of statistical analysis that helps to describe the data in some meaningful way. The statistics are helpful to describe quantitatively about the essential features of the data or information. The descriptive statistics give the summaries of the given sample as well as the observations done. These summaries or descriptions can either be graphical or quantitative.Background
This study will focus on and analyzing & Visualizing the data set about Preferences For Car Choice In The United States. The data set contained 4654 observations and 71 columns. There are several different types of graphs that help describe the statistical data. These graphs are histogram, bar graph, box and whisker plot, line graph, scatter plot, ogive, pie chart, and many more. Generally, the kinds of measurements that can use with descriptive statistics are:
The measure of central tendency describes the data which lies in the center of a given frequency distribution. The main steps of central tendency are mean and median and mode (Nick, 2020).
The spread measure describes how the scores are spread across the entire distribution. In the spread, measurements that are included standard deviation, variance, quartiles, range, absolute difference.Data Analysis
One of the essential concepts of statistics is data analysis. It is the process that is observing the data, analyzing, and modeling the data. The purpose of data analysis is to obtain useful data information and state conclusions which support decision-making. The data analysis can be performed under several techniques using different approaches. The method of data assessment and analysis can be achieved by using analytical and logical approaches to examine each component of the data provided. Data from various sources are collected, reviewed, and then explained for decision making or conclusions. There are several methods for analyzing the results. Data mining, text analytics, and business intelligence are some of the most commonly used techniques and data visualizations.
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PAGE 1 Chapter 5 Normal Probability Distributions .docx
PAGE 1
Chapter 5: Normal Probability Distributions
Section 5.1: Intro to Normal Distributions and the Standard Normal Distributions
Objectives:
Normal Distribution Properties
Use z-scores to Calculate Area Under the Standard Normal Curve (using StatCrunch or Calculator)
Discuss Unusual Values
In this section we will revisit histograms which can be estimated with normal (symmetric, bell-shaped) curves. From
Test 1 remember that normal curves have z-scores (for any data value) and areas under the curve (one way: Empirical
Rule). Now we will use these normal curves to find probabilities (areas) and z-scores for any data value. Why do we
need to study this? Eventually we will use these probabilities and z-scores to make decisions.
By using the normal distribution curve, we are treating the data as a continuous random variable that has its own
continuous probability distribution. (Remember that any probability distribution has two properties: all probabilities
are between 0 and 1 and the sum of the probabilities is 1.) **Probabilities = Areas under the curve**
Ex: Consider the normal distribution curves below. Which normal curve has the greatest mean? Which normal curve has
the greatest standard deviation?
Note: Every normal distribution can be transformed into the Standard Normal Distribution (the distribution for z-
scores). This means we will use the z-score formula to transform any data value into a “measure of position” with the
formula:
data value mean
standard deviation
z
PAGE 2
**All probability calculations will be done with either StatCrunch or the TI 83/84 calculator. You do NOT need to learn
how to read the Standard Normal Table.**
**Also < and are treated the same as well as > and for any continuous probability distribution.**
Ex: Confirm that the area to the left of z = 1.15 is 0.8749. **Label the z-score and the area.**
StatCrunch: Stat menu, Calculators, Normal, enter inequality symbol and z-score, Compute
TI-83/84: 2nd VARS normalcdf( -1000000000 Comma 1.15 Comma 0 Comma 1 enter
P(z 1.15) = 0.8749
Ex: Confirm that the cumulative area that corresponds to z = -0.24 is 0.4052. **Label the z-score and the area.**
StatCrunch: Stat menu, Calculators, Normal, Standard, enter inequality symbol and z-score, Compute
TI-83/84: 2nd VARS normalcdf( -1000000000 Comma -0.24 Comma 0 Comma 1 enter
P(z -0.24) = 0.4052
PAGE 3
Ex: Find the area to right of each z-score. Hint: Use the fact that the total area (probability) is 1. **Label the z-score and
the area.**
a) b)
P(z 1.15) = _________________ P(z -0.24) = _________________
Ex: Find the shaded area. **Label the z-score and the area.**
StatCrunch: Stat menu, Calculators, Normal, Stand.
Business statistics nmims latest solved assignments
Dear students, get latest Solved assignments and case study help by professionals.
Mail us at : help.mbaassignments@gmail.com
Call us at : 08263069601
MATH 533 Entire Course NEW
Check this A+ tutorial guideline at
https://www.uopassignments.com/math-533-devry
For more classes visit
http://www.uopassignments.com
QNT 561 GENIUS Become Exceptional--qnt561genius.com
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www.qnt561genius.com
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2. What conditions must n satisfy to make the x2 test valid?
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𝘼𝙣𝙩𝙞𝙦𝙪𝙚 𝙋𝙡𝙖𝙨𝙩𝙞𝙘 𝙏𝙧𝙖𝙙𝙚𝙧𝙨 𝙞𝙨 𝙫𝙚𝙧𝙮 𝙛𝙖𝙢𝙤𝙪𝙨 𝙛𝙤𝙧 𝙢𝙖𝙣𝙪𝙛𝙖𝙘𝙩𝙪𝙧𝙞𝙣𝙜 𝙩𝙝𝙚𝙞𝙧 𝙥𝙧𝙤𝙙𝙪𝙘𝙩𝙨. 𝙒𝙚 𝙝𝙖𝙫𝙚 𝙖𝙡𝙡 𝙩𝙝𝙚 𝙥𝙡𝙖𝙨𝙩𝙞𝙘 𝙜𝙧𝙖𝙣𝙪𝙡𝙚𝙨 𝙪𝙨𝙚𝙙 𝙞𝙣 𝙖𝙪𝙩𝙤𝙢𝙤𝙩𝙞𝙫𝙚 𝙖𝙣𝙙 𝙖𝙪𝙩𝙤 𝙥𝙖𝙧𝙩𝙨 𝙖𝙣𝙙 𝙖𝙡𝙡 𝙩𝙝𝙚 𝙛𝙖𝙢𝙤𝙪𝙨 𝙘𝙤𝙢𝙥𝙖𝙣𝙞𝙚𝙨 𝙗𝙪𝙮 𝙩𝙝𝙚 𝙜𝙧𝙖𝙣𝙪𝙡𝙚𝙨 𝙛𝙧𝙤𝙢 𝙪𝙨.
Over the 10 years, we have gained a strong foothold in the market due to our range's high quality, competitive prices, and time-lined delivery schedules.
Wondering if Your Mercedes EIS is at Fault Here’s How to Tell
Symptoms like intermittent starting and key recognition errors signal potential problems with your Mercedes’ EIS. Use diagnostic steps like error code checks and spare key tests. Professional diagnosis and solutions like EIS replacement ensure safe driving. Consult a qualified technician for accurate diagnosis and repair.
Why Isn't Your BMW X5's Comfort Access Functioning Properly Find Out Here
Why Isn't Your BMW X5's Comfort Access Functioning Properly Find Out HereMasters European & Gapanese Auto Repair
In this presentation, we have discussed a very important feature of BMW X5 cars… the Comfort Access. Things that can significantly limit its functionality. And things that you can try to restore the functionality of such a convenient feature of your vehicle.Ec330B Lc Excavator Volvo Service Repair.pdf
Ec330B LC Excavator Volvo Service Repair Manual Download
What Does the Active Steering Malfunction Warning Mean for Your BMW
Discover the reasons why your BMW’s Active Steering malfunction warning might come on. From electrical glitches to mechanical failures and software anomalies, addressing these promptly with professional inspection and maintenance ensures continued safety and performance on the road, maintaining the integrity of your driving experience.
Things to remember while upgrading the brakes of your car
Upgrading the brakes of your car? Keep these things in mind before doing so. Additionally, start using an OBD 2 GPS tracker so that you never miss a vehicle maintenance appointment. On top of this, a car GPS tracker will also let you master good driving habits that will let you increase the operational life of your car’s brakes.
一比一原版BC毕业证波士顿学院毕业证成绩单如何办理
BC毕业证原版定制【微信：176555708】【波士顿学院毕业证成绩单-学位证】【微信：176555708】（留信学历认证永久存档查询）采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。
◆◆◆◆◆ — — — — — — — — 【留学教育】留学归国服务中心 — — — — — -◆◆◆◆◆
【主营项目】
一.毕业证【微信：176555708】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【微信：176555708】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分→ 【关于价格问题（保证一手价格）
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
选择实体注册公司办理，更放心，更安全！我们的承诺：可来公司面谈，可签订合同，会陪同客户一起到教育部认证窗口递交认证材料，客户在教育部官方认证查询网站查询到认证通过结果后付款，不成功不收费！
学历顾问：微信：176555708
一比一原版SDSU毕业证圣地亚哥州立大学毕业证成绩单如何办理
SDSU毕业证原版定制【微信：176555708】【圣地亚哥州立大学毕业证成绩单-学位证】【微信：176555708】（留信学历认证永久存档查询）采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。
◆◆◆◆◆ — — — — — — — — 【留学教育】留学归国服务中心 — — — — — -◆◆◆◆◆
【主营项目】
一.毕业证【微信：176555708】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【微信：176555708】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分→ 【关于价格问题（保证一手价格）
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
选择实体注册公司办理，更放心，更安全！我们的承诺：可来公司面谈，可签订合同，会陪同客户一起到教育部认证窗口递交认证材料，客户在教育部官方认证查询网站查询到认证通过结果后付款，不成功不收费！
学历顾问：微信：176555708
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- 7. Chi-square Test Statistic Degree of freedom = k – 1, where k is the number of categories. Use the appropriate chi-square distribution based on degree of freedom, to find the critical value of χ 2 at an α level.