QRB 501 Final Exam Answers
QRB 501 Final Exam
1) Write the following as an algebraic expression using x as the variable:
Triple a number subtracted from the number
A. 3(x - x)
B. x 3 – x
C. 3x - x
D. x - 3x
2) Write the following as an algebraic expression using x as the variable: A
number decreased by 25 and multiplied by 4
A. x – 25 · 4
B. -25x · 4
C. 4x - 25
D. 4(x – 25)
3. Write the following as an algebraic expression using x as the variable: The
sum of a number and -8
A. -8 + x
B. -8 - x
C. x (-8)
D. -8x
4) Write the following as an algebraic expression using x as the variable:
Twelve less than six times a number
A. 12 – 6x
B. –6x
C. –12(6x)
D. 6x – 12
5) Solve: -3 – (-2 + 4) - 5
A. 15
B. 10
C. -6
D. -10
6) Solve: (–5)2 · (9 – 17)2 ÷ (–10)2
A. 16
B. 64
C. -6.4
D. -.039
7) Solve: 3(32) – 8(9 – 2) ÷ 2
A. -14.5
B. 55
C. 66.5
D. -1
8) Solve: (–5)2 · (9 – 17)2 ÷ (–10)2
A. 16
B. 64
C. -6.4
In this power point methods of arithmetic mean calculation. Methods of mean calculation of individual series, discrete series, and continuous series has been explained
The 17th Annual CIM Ireland Awards (http://goo.gl/8DaQw8) will celebrate, recognise and reward the best marketing achievements across various industry sectors in Ireland and will acknowledge the contribution made by both individuals and teams. The programme and categories are designed to attract entries from businesses of all sizes and operating in all sectors in Northern Ireland and the Republic of Ireland.
Last year the awards attracted their highest ever number of entries – with over a 100 entries from many sectors all choosing to gain recognition through the CIM’s signature event. Highlight the positive value of your work in today's business and society.
http://goo.gl/8DaQw8
In this power point methods of arithmetic mean calculation. Methods of mean calculation of individual series, discrete series, and continuous series has been explained
The 17th Annual CIM Ireland Awards (http://goo.gl/8DaQw8) will celebrate, recognise and reward the best marketing achievements across various industry sectors in Ireland and will acknowledge the contribution made by both individuals and teams. The programme and categories are designed to attract entries from businesses of all sizes and operating in all sectors in Northern Ireland and the Republic of Ireland.
Last year the awards attracted their highest ever number of entries – with over a 100 entries from many sectors all choosing to gain recognition through the CIM’s signature event. Highlight the positive value of your work in today's business and society.
http://goo.gl/8DaQw8
George is a Founding Partner of The Brooklyn Brothers and also Global Innovations Officer & ECD London. He oversees the agency’s ‘Make It Up’ team of multi-disciplinary creatives, designers and strategists and is passionate about ideas that change things for the better. George has led the modernisation of brands as diverse as The Olympics, Orange, Guinness, Tate Modern and the country of Iceland whilst his previous roles include Head of Strategy at Mother London and TBWA LA. He has been widely published and recognised in Campaign’s A list every year since its inception.
En el tercer capìtulo presentamos las competencias y capacidades que deben alcanzar nuestros estudiantes durante la educación básica, teniendo en cuenta que necesitamos abordar las capacidades desde el enfoque de la indagación y la alfabetización cientifica configurando asi el desarrollo de cada competencia.
Rodrigo Landa - Historia de las Relaciones PublicasRodrigo Landa
Unidad 2: Desarrollo histórico
Primeros tiempos. Desarrollo norteamericano durante el siglo XIX. Los pioneros: Ivy Lee, George Creel y Edward Bernays. Consolidación de la profesión. Desarrollo en América Latina. Desarrollo en nuestro país. Tendencias en la práctica actual.
Las Relaciones Públicas (RRPP) son un componente de la comunicación estratégica, consideradas como el insumo que tienen las compañías, instituciones y entidades de gobierno para fortalecer y generar un vínculo, con sus públicos de interés, ya sean estos internos o externos. Se trata de una disciplina de la comunicación, actualmente profesionalizada, que en el mundo desarrollado y en las economías emergentes es parte del desarrollo organizacional.
1) Those methods involving the collection, presentation, and chara.docxdorishigh
1) Those methods involving the collection, presentation, and characterization of a set of data in order to properly describe the various features of that set of data are called
A) statistical inference.
B) the scientific method.
C) sampling.
D) descriptive statistics.
Answer: D
2) Which of the following is NOT an element of descriptive statistical problems?
A) an inference made about the population based on the sample
B) the population or sample of interest
C) tables, graphs, or numerical summary tools
D) identification of patterns in the data
Answer: A
3) Most analysts focus on the cost of tuition as the way to measure the cost of a college education. But incidentals, such as textbook costs, are rarely considered. A researcher at Drummand University wanted to estimate the textbook costs of first-year students at Drummand. To do so, she monitored the textbook cost of 250 first-year students and found that their average textbook cost was $600 per semester. Identify the population of interest to the researcher.
A) all Drummand University students
B) all college students
C) all first-year Drummand University students
D) the 250 students that were monitored
Answer: C
4) Researchers are concerned that the weight of the average American school child is increasing, implying, among other things, that children's clothing should be manufactured and marketed in larger sizes. If X is the weight of school children sampled in a nationwide study, then X is an example of
A) a categorical random variable.
B) a discrete random variable.
C) a continuous random variable.
D) a parameter.
Answer: C
5) The chancellor of a major university was concerned about alcohol abuse on her campus and wanted to find out the proportion of students at her university who visited campus bars on the weekend before the final exam week. Her assistant took a random sample of 250 students. The answer on "whether you visited campus bars on the weekend before the final exam week" from students in the sample is an example of
A) a categorical random variable.
B) a discrete random variable.
C) a continuous random variable.
D) a parameter.
Answer: A
6) The British Airways Internet site provides a questionnaire instrument that can be answered electronically. Which of the four methods of data collection is involved when people complete the questionnaire?
A) published sources
B) experimentation
C) surveying
D) observation
Answer: C
7) A professor of economics at a small Texas university wanted to determine what year in school students were taking his tough economics course. Shown below is a pie chart of the results. What percentage of the class took the course prior to reaching their senior year?
A) 14%
B) 44%
C) 54%
D) 86%
Answer: D
8) One of the developing countries is experiencing a baby boom, with the number of births rising for the fifth year in a row, according to a BBC News report. Which of the following is best for displaying this data?
A) a Pareto chart
B) a two-way cl ...
QNT 351 Final Exam Answers 2015 versionvincenzwhaley
QNT 351 Final Exam Answers
1) The main purpose of descriptive statistics is to
A. summarize data in a useful and informative manner
B. make inferences about a population
C. determine if the data adequately represents the population
D. gather or collect data
2) The general process of gathering, organizing, summarizing, analyzing, and interpreting data is called
A. statistics
B. descriptive statistics
C. inferential statistics
D. levels of measurement
3) The performance of personal and business investments is measured as a percentage, return on investment. What type of variable is return on investment?
A. Qualitative
B. Continuous
C. Attribute
D. Discrete
4) What type of variable is the number of robberies reported in your city?
A. Attribute
B. Continuous
C. Discrete
D. Qualitative
5) What level of measurement is the number of auto accidents reported in a given month?
A. Nominal
B. Ordinal
C. Interval
D. Ratio
6) The names of
QNT 351 Final Exam Answers 2015 versioncelestiaorias
QNT 351 Final Exam Answers
1) The main purpose of descriptive statistics is to
A. summarize data in a useful and informative manner
B. make inferences about a population
C. determine if the data adequately represents the population
D. gather or collect data
2) The general process of gathering, organizing, summarizing, analyzing, and interpreting data is called
A. statistics
B. descriptive statistics
C. inferential statistics
D. levels of measurement
3) The performance of personal and business investments is measured as a percentage, return on investment. What type of variable is return on investment?
A. Qualitative
B. Continuous
C. Attribute
D. Discrete
4) What type of variable is the number of robberies reported in your city?
A. Attribute
B. Continuous
C. Discrete
D. Qualitative
5) What level of measurement is the number of auto accidents reported in a given month?
A. Nominal
B. Ordinal
C. Interval
D. Ratio
6) The names of
QNT 351 Final Exam Answers 2015 versioncelestiaorias
QNT 351 Final Exam Answers
1) The main purpose of descriptive statistics is to
A. summarize data in a useful and informative manner
B. make inferences about a population
C. determine if the data adequately represents the population
D. gather or collect data
2) The general process of gathering, organizing, summarizing, analyzing, and interpreting data is called
A. statistics
B. descriptive statistics
C. inferential statistics
D. levels of measurement
3) The performance of personal and business investments is measured as a percentage, return on investment. What type of variable is return on investment?
A. Qualitative
B. Continuous
C. Attribute
D. Discrete
4) What type of variable is the number of robberies reported in your city?
A. Attribute
B. Continuous
C. Discrete
D. Qualitative
5) What level of measurement is the number of auto accidents reported in a given month?
A. Nominal
B. Ordinal
C. Interval
D. Ratio
6) The names of
QNT 351 Final Exam Answers 2015 versioncelestiaorias
QNT 351 Final Exam Answers
1) The main purpose of descriptive statistics is to
A. summarize data in a useful and informative manner
B. make inferences about a population
C. determine if the data adequately represents the population
D. gather or collect data
2) The general process of gathering, organizing, summarizing, analyzing, and interpreting data is called
A. statistics
B. descriptive statistics
C. inferential statistics
D. levels of measurement
3) The performance of personal and business investments is measured as a percentage, return on investment. What type of variable is return on investment?
A. Qualitative
B. Continuous
C. Attribute
D. Discrete
4) What type of variable is the number of robberies reported in your city?
A. Attribute
B. Continuous
C. Discrete
D. Qualitative
5) What level of measurement is the number of auto accidents reported in a given month?
A. Nominal
B. Ordinal
C. Interval
D. Ratio
6) The names of
QNT 351 Final Exam Answers 2015 versioncelestiaorias
QNT 351 Final Exam Answers
1) The main purpose of descriptive statistics is to
A. summarize data in a useful and informative manner
B. make inferences about a population
C. determine if the data adequately represents the population
D. gather or collect data
2) The general process of gathering, organizing, summarizing, analyzing, and interpreting data is called
A. statistics
B. descriptive statistics
C. inferential statistics
D. levels of measurement
3) The performance of personal and business investments is measured as a percentage, return on investment. What type of variable is return on investment?
A. Qualitative
B. Continuous
C. Attribute
D. Discrete
4) What type of variable is the number of robberies reported in your city?
A. Attribute
B. Continuous
C. Discrete
D. Qualitative
5) What level of measurement is the number of auto accidents reported in a given month?
A. Nominal
B. Ordinal
C. Interval
D. Ratio
6) The names of
QRB 501 Final Exam Answers
QRB 501 Final Exam
1) Write the following as an algebraic expression using x as the variable:
Triple a number subtracted from the number
A. 3(x - x)
B. x 3 – x
C. 3x - x
D. x - 3x
2) Write the following as an algebraic expression using x as the variable: A
number decreased by 25 and multiplied by 4
A. x – 25 · 4
B. -25x · 4
C. 4x - 25
D. 4(x – 25)
3. Write the following as an algebraic expression using x as the variable: The
sum of a number and -8
A. -8 + x
B. -8 - x
C. x (-8)
D. -8x
4) Write the following as an algebraic expression using x as the variable:
Twelve less than six times a number
A. 12 – 6x
B. –6x
C. –12(6x)
D. 6x – 12
5) Solve: -3 – (-2 + 4) - 5
A. 15
B. 10
C. -6
D. -10
6) Solve: (–5)2 · (9 – 17)2 ÷ (–10)2
A. 16
B. 64
C. -6.4
D. -.039
7) Solve: 3(32) – 8(9 – 2) ÷ 2
A. -14.5
B. 55
C. 66.5
D. -1
8) Solve: (–5)2 · (9 – 17)2 ÷ (–10)2
A. 16
B. 64
C. -6.4
QRB 501 Final Exam Answers
QRB 501 Final Exam
1) Write the following as an algebraic expression using x as the variable:
Triple a number subtracted from the number
A. 3(x - x)
B. x 3 – x
C. 3x - x
D. x - 3x
2) Write the following as an algebraic expression using x as the variable: A
number decreased by 25 and multiplied by 4
A. x – 25 · 4
B. -25x · 4
C. 4x - 25
D. 4(x – 25)
3. Write the following as an algebraic expression using x as the variable: The
sum of a number and -8
A. -8 + x
B. -8 - x
C. x (-8)
D. -8x
4) Write the following as an algebraic expression using x as the variable:
Twelve less than six times a number
A. 12 – 6x
B. –6x
C. –12(6x)
D. 6x – 12
5) Solve: -3 – (-2 + 4) - 5
A. 15
B. 10
C. -6
D. -10
6) Solve: (–5)2 · (9 – 17)2 ÷ (–10)2
A. 16
B. 64
C. -6.4
D. -.039
7) Solve: 3(32) – 8(9 – 2) ÷ 2
A. -14.5
B. 55
C. 66.5
D. -1
8) Solve: (–5)2 · (9 – 17)2 ÷ (–10)2
A. 16
B. 64
C. -6.4
QRB 501 Final Exam Answers
QRB 501 Final Exam
1) Write the following as an algebraic expression using x as the variable:
Triple a number subtracted from the number
A. 3(x - x)
B. x 3 – x
C. 3x - x
D. x - 3x
2) Write the following as an algebraic expression using x as the variable: A
number decreased by 25 and multiplied by 4
A. x – 25 · 4
B. -25x · 4
C. 4x - 25
D. 4(x – 25)
3. Write the following as an algebraic expression using x as the variable: The
sum of a number and -8
A. -8 + x
B. -8 - x
C. x (-8)
D. -8x
4) Write the following as an algebraic expression using x as the variable:
Twelve less than six times a number
A. 12 – 6x
B. –6x
C. –12(6x)
D. 6x – 12
5) Solve: -3 – (-2 + 4) - 5
A. 15
B. 10
C. -6
D. -10
6) Solve: (–5)2 · (9 – 17)2 ÷ (–10)2
A. 16
B. 64
C. -6.4
D. -.039
7) Solve: 3(32) – 8(9 – 2) ÷ 2
A. -14.5
B. 55
C. 66.5
D. -1
8) Solve: (–5)2 · (9 – 17)2 ÷ (–10)2
A. 16
B. 64
C. -6.4
QRB 501 Final Exam Answers
QRB 501 Final Exam
1) Write the following as an algebraic expression using x as the variable:
Triple a number subtracted from the number
A. 3(x - x)
B. x 3 – x
C. 3x - x
D. x - 3x
2) Write the following as an algebraic expression using x as the variable: A
number decreased by 25 and multiplied by 4
A. x – 25 · 4
B. -25x · 4
C. 4x - 25
D. 4(x – 25)
3. Write the following as an algebraic expression using x as the variable: The
sum of a number and -8
A. -8 + x
B. -8 - x
C. x (-8)
D. -8x
4) Write the following as an algebraic expression using x as the variable:
Twelve less than six times a number
A. 12 – 6x
B. –6x
C. –12(6x)
D. 6x – 12
5) Solve: -3 – (-2 + 4) - 5
A. 15
B. 10
C. -6
D. -10
6) Solve: (–5)2 · (9 – 17)2 ÷ (–10)2
A. 16
B. 64
C. -6.4
D. -.039
7) Solve: 3(32) – 8(9 – 2) ÷ 2
A. -14.5
B. 55
C. 66.5
D. -1
8) Solve: (–5)2 · (9 – 17)2 ÷ (–10)2
A. 16
B. 64
C. -6.4
QRB 501 Final Exam Answers
QRB 501 Final Exam
1) Write the following as an algebraic expression using x as the variable:
Triple a number subtracted from the number
A. 3(x - x)
B. x 3 – x
C. 3x - x
D. x - 3x
2) Write the following as an algebraic expression using x as the variable: A
number decreased by 25 and multiplied by 4
A. x – 25 · 4
B. -25x · 4
C. 4x - 25
D. 4(x – 25)
3. Write the following as an algebraic expression using x as the variable: The
sum of a number and -8
A. -8 + x
B. -8 - x
C. x (-8)
D. -8x
4) Write the following as an algebraic expression using x as the variable:
Twelve less than six times a number
A. 12 – 6x
B. –6x
C. –12(6x)
D. 6x – 12
5) Solve: -3 – (-2 + 4) - 5
A. 15
B. 10
C. -6
D. -10
6) Solve: (–5)2 · (9 – 17)2 ÷ (–10)2
A. 16
B. 64
C. -6.4
D. -.039
7) Solve: 3(32) – 8(9 – 2) ÷ 2
A. -14.5
B. 55
C. 66.5
D. -1
8) Solve: (–5)2 · (9 – 17)2 ÷ (–10)2
A. 16
B. 64
C. -6.4
QRB 501 Final Exam Answers
QRB 501 Final Exam
1) Write the following as an algebraic expression using x as the variable:
Triple a number subtracted from the number
A. 3(x - x)
B. x 3 – x
C. 3x - x
D. x - 3x
2) Write the following as an algebraic expression using x as the variable: A
number decreased by 25 and multiplied by 4
A. x – 25 · 4
B. -25x · 4
C. 4x - 25
D. 4(x – 25)
3. Write the following as an algebraic expression using x as the variable: The
sum of a number and -8
A. -8 + x
B. -8 - x
C. x (-8)
D. -8x
4) Write the following as an algebraic expression using x as the variable:
Twelve less than six times a number
A. 12 – 6x
B. –6x
C. –12(6x)
D. 6x – 12
5) Solve: -3 – (-2 + 4) - 5
A. 15
B. 10
C. -6
D. -10
6) Solve: (–5)2 · (9 – 17)2 ÷ (–10)2
A. 16
B. 64
C. -6.4
D. -.039
7) Solve: 3(32) – 8(9 – 2) ÷ 2
A. -14.5
B. 55
C. 66.5
D. -1
8) Solve: (–5)2 · (9 – 17)2 ÷ (–10)2
A. 16
B. 64
C. -6.4
Title:
ACC 305 Week 2 E4 22 Tiger Enterprises
Sample content:
Week 2 Tiger Enterprises Exercise 4-22 Required: Prepare Tiger Enterprises statement of cash flows, using the indirect method to present cash flows from operating activities. TIGER ENTERPRISES Statement of Cash Flows For the Year Ended December 31, 2011 Cash flows from operating activities Net income Adjustment for nonc
How to Split Bills in the Odoo 17 POS ModuleCeline George
Bills have a main role in point of sale procedure. It will help to track sales, handling payments and giving receipts to customers. Bill splitting also has an important role in POS. For example, If some friends come together for dinner and if they want to divide the bill then it is possible by POS bill splitting. This slide will show how to split bills in odoo 17 POS.
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The Art Pastor's Guide to Sabbath | Steve ThomasonSteve Thomason
What is the purpose of the Sabbath Law in the Torah. It is interesting to compare how the context of the law shifts from Exodus to Deuteronomy. Who gets to rest, and why?
Instructions for Submissions thorugh G- Classroom.pptxJheel Barad
This presentation provides a briefing on how to upload submissions and documents in Google Classroom. It was prepared as part of an orientation for new Sainik School in-service teacher trainees. As a training officer, my goal is to ensure that you are comfortable and proficient with this essential tool for managing assignments and fostering student engagement.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
For more information, visit-www.vavaclasses.com
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdfTechSoup
In this webinar you will learn how your organization can access TechSoup's wide variety of product discount and donation programs. From hardware to software, we'll give you a tour of the tools available to help your nonprofit with productivity, collaboration, financial management, donor tracking, security, and more.
Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
MARUTI SUZUKI- A Successful Joint Venture in India.pptx
QRB 501 Final Exam 2015 version
1. QRB 501 Final Exam
Link : http://uopexam.com/product/qrb-501-final-exam/
QRB 501 Final Exam Answers
QRB 501 Final Exam
1) Write the following as an algebraic expression using x as the variable:
2. Triple a number subtracted from the number
A. 3(x - x)
B. x 3 – x
C. 3x - x
D. x - 3x
2) Write the following as an algebraic expression using x as the variable: A
number decreased by 25 and multiplied by 4
A. x – 25 · 4
B. -25x · 4
C. 4x - 25
D. 4(x – 25)
3. Write the following as an algebraic expression using x as the variable: The
sum of a number and -8
A. -8 + x
B. -8 - x
C. x (-8)
D. -8x
4) Write the following as an algebraic expression using x as the variable:
Twelve less than six times a number
3. A. 12 – 6x
B. –6x
C. –12(6x)
D. 6x – 12
5) Solve: -3 – (-2 + 4) - 5
A. 15
B. 10
C. -6
D. -10
6) Solve: (–5)2 · (9 – 17)2 ÷ (–10)2
A. 16
B. 64
C. -6.4
D. -.039
7) Solve: 3(32) – 8(9 – 2) ÷ 2
A. -14.5
B. 55
C. 66.5
D. -1
8) Solve: (–5)2 · (9 – 17)2 ÷ (–10)2
4. A. 16
B. 64
C. -6.4
D. -.039
9) Solve: 3(-19 + 4) ÷ -5
A. 9
B. -13.8
C. 0.11
D. 13.8
10) Solve: –9 + 18 ÷ –3(–6)
A. 27
B. 90
C. -0.5
D. 0.5
11) Identify the variable, constant, and coefficient of the expression: 10k –
15
A. variable: k; constant: –15; coefficient: 10
B. variable: k; constant: 15; coefficient: 10
C. variable: 10; constant: k; coefficient: –15
5. D. variable: 15; constant: 10; coefficient: k
12) Identify the variable, constant, and coefficient of the expression: x – y
A. variable: x and y; constant: 0; coefficient: 0
B. variable: x and y; constant: 0; coefficient: 1
C. variable: y; constant: x; coefficient: 0
D. variable: x; constant: –y; coefficient: 1
13) Identify the variable, constant, and coefficient of the expression: 3p
A. variable: p; constant: 0; coefficient: 3
B. variable: 3; constant: 0; coefficient:
C. variable: 3; constant: p; coefficient: 3
D. variable: p; constant: 3; coefficient: 0
14) Solve the system of equations:
4x + 3y = 1
3x + 2y = 2
A. { (1,–1) }
B. { (4, – 5) }
C. { (–1,2) }
D. { (–2,3) }
15) Solve the system of equations:
3x – 5y = 7
6. 2x + 3y = 30
A. { (6,1) }
B. { (9,4) }
C. { (–1,–2) }
D. { (3,8) }
16) Solve the system of equations:
3x + 2y = 18
y = 3x
A. { (4,3) }
B. { (2,6) }
C. { (1,3) }
D. { (3,9) }
17) Solve the system of equations:
3x = 7 – y
2y = 14 – 6x
A. { (x,y) ¦ 3x + y = 7 }
B. { (x,y) ¦ –3x + y = 7 }
C. { (x,y) ¦ 2x + y = 3 }
D. { (x,y) ¦ x + y = 2 }
7. 18) Solve the system of equations:
3x + y = –7
x – y = –5
A. { (– 3,2) }
B. { (–4,1) }
C. { (–2,–1) }
D. { (1,–8) }
19) The Manager of Engineering reported that the industrial production index
was 135. What does this production mean?
A. An increase of 35 units
B. An increase of 35 percent
C. Not enough information given
D. A decrease of 35 percent
20) Which of the following is true of a base period for an index number?
A. It cannot be less than 100
B. The numerator spears
C. It must have occurred after the year 1980
D. It appears in the denominator
21) Which of the following is true of an index?
A. It shows a percent change from one period to another
8. B. It must be larger than 100
C. It cannot assume negative values
D. It can employ qualitative data
22) A man earned $80,000 when the Consumer Price Index was 200. What
were his earnings in terms of $2,000 if the base period was 2000?
A. $40,000
B. $160,000
C. $60,000
D. $80,000
23) What happens as we increase the number of classes in a histogram?
A. Central tendency becomes more obvious
B. Class interval width increases
C. There would be more classes
D. Class intervals become rounder
24) On which axis is time plotted on a simple line chart?
A. On the Y-axis
B. On the X-axis
C. Time is not plotted
D. Either axis
9. 25) The monthly incomes for a group of engineers are: $2,200, $2,400,
$2,600, $3,100, $3,400, and $3,700. What are these ungrouped numbers
called?
A. Class limits
B. Histograms
C. Raw data
D. Class frequencies
26) What is the term for a number of observations in a class in a frequency
distribution?
A. Class interval
B. Class midpoint
C. Class array
D. Class frequency
27) Why are unequal class intervals sometimes used in a frequency
distribution?
A. To avoid a large number of empty classes
B. To create variety in presenting the data
C. To avoid the need for midpoints
D. To make the class frequencies smaller
28) What is the slope of the line: 14y – 2x = 28
10. A. -2
B. 1/7
C. 7
D. 2
29) What is the slope of the line: 5y – x = 10
A. 2
B. 1/5
C. 1/2
D. -1
30) What is the slope of the line: 36x – 9y = 15
A. 4
B. 36
C. 3
D. -5/3
31) What is the slope of the line: 2y + 8x = 26
A. 8
B. -4
C. 2
D. 1/4
11. 32) What is the slope of the line: 3x – y = 6
A. 3
B. 2
C. -1
D. ½
33) Which statement is true regarding the estimated slope of a linear
regression line?
A. It is chosen so as to minimize the sum of squared errors.
B. It shows the change in x for a unit change in y.
C. It could curve up or down as it moves to the right.
D. It is always positive.
34) Which statement is true of a regression line that is superimposed on the
scatter plot?
A. It guarantees the largest possible sample variance.
B. It is computed using the Ordinary Least Squares method.
C. It guarantees that the slope and intercept are minimized.
D. It is computed using the maximum and minimum values.
35) Which of the following is observed in a scatter plot when there is an
inverse relationship between x and y?
A. Points are mostly in the lower left and upper right quadrants.
12. B. Points create a horizontal line.
C. Points slope down as it moves to the right.
D. Points curve up as it moves to the right.
36) What happens to the future value of money when the inflation rate
exceeds the interest rate?
A. Decreases
B. Increases
C. Stays the same
D. Not enough information
37) Since money has the ability to earn interest, its value increases with
time. What affects the future value of an investment more, the interest rate
or the time the investment is held?
A. The interest rate has a larger impact on the future value of the investment.
B. The length of time has more of an impact on the future value of the investment.
C. It depends on the interest rate and the time the investment is held.
D. Both interest and length of time have the same impact on the future value of the
investment
38) The number of hours spent studying appears to be highly correlated with
the grade students earn in a class. Which variable would be the dependent
13. variable in a linear regression analysis?
A. Hours spent studying
B. Either variable could be the dependent variable
C. The class average
D. The grade earned
39) When interest is compounded, the total time period is subdivided into
several interest periods, for example 1 year, 3 months, 1 month. How does
compound interest affect the future value of an investment?
A. Stays the same
B. Increases
C. Decreases
D. Not enough information
40) When the interest rate is positive, what happens to the value of money
as we move from the future to the present?
A. Stays the same
B. Decreases
C. Increases
D. Not enough information
41) What is the principal balance if the principal plus interest at the end of
1.5 years is $3,360 at an annual interest rate of 8%?
14. A. $2,000
B. $2,800
C. $3,000
D. $2,200
42) How is the class midpoint calculated?
A. Find the difference between consecutive lower limits.
B. Count the number of observations in the class.
C. Divide the class interval in half and add the result to the lower limit.
D. frequency by the number of observations
43) How is a frequency distribution converted to a relative frequency
distribution?
A. Find the difference between consecutive lower class limits.
B. Divide the lower limit of the first class by the class interval
C. Multiply the class frequency by 100
D. Divide the class frequency by the total number of observations
44) What does the horizontal axis of a line chart represent?
A. Dollars
B. Variable quantity
C. Percent
15. D. Time
45) Which measures of central tendency are not affected by extremely low or
extremely high values?
A. Mean and median
B. Mode and median
C. Only the mean
D. Mean and mode
46) For which measure of central tendency will the sum of the deviations
always be zero?
A. Mode
B. Median
C. Mode and Median
D. Mean
47) Which measure of dispersion represents variation from the mean?
A. Range
B. Spread
C. Outliers
D. Standard deviation
48) Which of the following is true regarding the normal distribution?
A. Mean, median and mode are all equal
16. B. It is not always symmetrical
C. The total area under the curve is greater than 1
D. It can have more than one peak
49) Which of the following is a characteristic of a normal distribution?
A. Positively skewed
B. Can be either positively or negatively skewed
C. Has a total z-score of 1000
D. Symmetrical
50) What is the proportion of the total area under the normal curve within
plus or minus 2 standard deviations?
A. 68%
B. 95%
C. 100%
D. 99.7%
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