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TESTBANK FOR Modern Business Statistics with Microsoft® Excel® 8th Edition Camm INSTANT DOWNLOAD TESTBANK

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,TESTBANK FOR Modern Business Statistics with
Microsoft® Excel® 8th Edition by Jeffrey D. Camm
Notes
1- The file is chapter after chapter.
2- We have shown you few pages sample.
3- The file contains all Appendix and Excel sheet
if it exists.
4- We have all what you need, we make update
at every time. There are many new editions
waiting you.
5- If you think you purchased the wrong file You
can contact us at every time, we can replace it
with true one.
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,Name: Class: Date:

Chapter_01_Data_and_Statistics
Multiple Choice

1. Which of the following is an example of quantitative data?
a. The player’s number on a baseball uniform
b. The serial number on a one-dollar bill
c. The part number of an inventory item
d. The number of people in a waiting line

ANSWER: d

2. Which of the following is NOT an example of descriptive statistics?
a. A histogram depicting the age distribution for 30 randomly selected students
b. An estimate of the number of Alaska residents who have visited Canada
c. A table summarizing the data collected in a sample of new-car buyers
d. The proportion of mailed-out questionnaires that were returned

ANSWER: b

3. Which of the following is an example of categorical data?
a. Social security number
b. Score on a multiple-choice exam
c. Height, in meters, of a diving board
d. Number of square feet of carpet

ANSWER: a

4. The number of observations in a complete data set having 10 elements and 5 variables is _____.
a. 5
b. 10
c. 25
d. 50

ANSWER: b

5. Facts and figures collected, analyzed, and summarized for presentation and interpretation are called
_____.
a. data
b. variables
c. elements
d. variables and elements

ANSWER: a

6. The entities on which data are collected are _____.
a. elements
b. populations
c. sets
d. samples


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,Name: Class: Date:

Chapter_01_Data_and_Statistics
ANSWER: a

7. The set of measurements collected for an element is called a(n) _____.
a. census
b. variable
c. observation
d. sample

ANSWER: c

8. A characteristic of interest for the elements is called a(n) _____.
a. sample
b. data set
c. variable
d. observation

ANSWER: c

9. All data collected in a study are referred to as the _____.
a. census
b. inference
c. variable
d. data set

ANSWER: d

10. In a data set, the number of observations will always be the same as the number of _____.
a. variables
b. elements
c. data sets
d. data

ANSWER: b

11. Which of the following is NOT a scale of measurement?
a. Nominal
b. Ordinal
c. Interval
d. Categorical

ANSWER: d

12. When the data are labels or names used to identify an attribute of the elements, the variable has which
scale of measurement?
a. Nominal
b. Ordinal
c. Interval
d. Ratio


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,Name: Class: Date:

Chapter_01_Data_and_Statistics
ANSWER: a

13. When the data are labels or names used to identify an attribute of the elements and the rank of the data
is meaningful, the variable has which scale of measurement?
a. Nominal
b. Ordinal
c. Interval
d. Ratio

ANSWER: b

14. When the data have the properties of ordinal data and the interval between observations is expressed
in terms of a fixed unit of measure, the variable has which scale of measurement?
a. Nominal
b. Ordinal
c. Interval
d. Ratio

ANSWER: c

15. When the data have the properties of interval data and the multiplication or division of two values is
meaningful, the variable has which scale of measurement?
a. Nominal
b. Ordinal
c. Interval
d. Ratio

ANSWER: d

16. Which two scales of measurement can be either numeric or nonnumeric?
a. Nominal and ratio
b. Ordinal and interval
c. Interval and ordinal
d. Nominal and ordinal

ANSWER: d

17. Which of the following variables uses the interval scale of measurement?
a. Name of stock exchange
b. Time
c. SAT scores
d. Social security number

ANSWER: c

18. Which of the following variables uses the ratio scale of measurement?
a. Name of stock exchange
b. Time
c. SAT scores

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,Name: Class: Date:

Chapter_01_Data_and_Statistics
d. Social security number

ANSWER: b

19. Quantitative data _____.
a. are always nonnumeric
b. may be either numeric or nonnumeric
c. are always numeric
d. are always labels

ANSWER: c

20. Categorical data _____.
a. are always nonnumeric
b. may be either numeric or nonnumeric
c. are always numeric
d. indicate either how much or how many

ANSWER: b

21. Which type of analytics is the set of analytical techniques that yield a course of action?
a. Descriptive
b. Predictive
c. Prescriptive
d. Data

ANSWER: c

22. What organization developed the report, “Ethical Guidelines for Statistical Practice”?
a. Ethics Committee for Statistical Practices
b. American Statistical Association
c. International Statistical Organization
d. Federal Bureau for Ethical Practices in Statistics

ANSWER: b

23. Arithmetic operations are inappropriate for _____.
a. categorical data
b. quantitative data
c. both categorical and quantitative data
d. large data sets

ANSWER: a

24. In a questionnaire, respondents are asked to mark their gender as Male, Female, Transgender MtoF,
Transgender FtoM, Non-binary, or Intersex. Gender is an example of which type of variable?
a. Categorical
b. Quantitative
c. Interval

Copyright Cengage Learning. Powered by Cognero. Page 4

,Name: Class: Date:

Chapter_01_Data_and_Statistics
d. Ratio

ANSWER: a

25. In a questionnaire, respondents are asked to record their age in years. Age is an example of a _____.
a. categorical variable
b. quantitative variable
c. categorical or quantitative variable, depending on how the respondents answered the question
d. ordinal variable

ANSWER: b

26. In an application for a credit card, potential customers are asked for their social security numbers. A
social security number is an example of a _____.
a. categorical variable
b. quantitative variable
c. categorical or quantitative variable, depending on how the respondents answered the question
d. ratio variable

ANSWER: a

27. Temperature is an example of which scale of measurement?
a. Nominal
b. Ordinal
c. Interval
d. Ratio

ANSWER: c

28. For ease of data entry into a university database, 1 denotes the student is enrolled in an undergraduate
degree program, 2 indicates the student is enrolled in a master’s degree program, and 3 indicates the
student is enrolled in a doctoral degree program. In this case, the data are which scale of measurement?
a. Nominal
b. Ordinal
c. Interval
d. Ratio

ANSWER: b

29. Income is an example of _____.
a. categorical data
b. either categorical or quantitative data
c. currency data
d. quantitative data

ANSWER: d

30. The birth weight of newborns, measured in grams, is an example of _____.
a. categorical data
b. either categorical or quantitative data
Copyright Cengage Learning. Powered by Cognero. Page 5

,Name: Class: Date:

Chapter_01_Data_and_Statistics
c. neither categorical nor quantitative data
d. quantitative data

ANSWER: d

31. The graph below best exemplifies a _____.




(Graph courtesy of Robert Allison.)

a. bar graph
b. time series graph
c. cross-sectional graph
d. line graph

ANSWER: b

32. The graph below best exemplifies a _____.





a. bar graph
b. time series graph
c. cross-sectional graph
d. line graph

ANSWER: b

33. Data collected at the same, or approximately the same, point in time are considered which one of the
following types of data?
a. Time series
b. Static

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,Name: Class: Date:

Chapter_01_Data_and_Statistics
c. Cross-sectional
d. One-dimensional

ANSWER: c

34. Data collected over several time periods are considered which one of the following types of data?
a. Time series
b. Time-controlled
c. Cross-sectional
d. Time dependent

ANSWER: a

35. Statistical studies in which researchers do not control variables of interest are _____.
a. experimental studies
b. uncontrolled experimental studies
c. not of any value
d. observational studies

ANSWER: d

36. Statistical studies in which researchers control variables of interest are referred to as which type of
study?
a. Experimental
b. Control observational
c. Non-experimental
d. Observational

ANSWER: a

37. Which type of analytics encompasses the set of analytical techniques that describe what has happened
in the past?
a. Descriptive
b. Predictive
c. Prescriptive
d. Data

ANSWER: a

38. Which of the following is NOT an example of an existing source of data?
a. The Internet
b. Internal company records
c. U.S. Census Bureau
d. Data from an experiment

ANSWER: d

39. Which of the following is NOT an example of a firm that sells or leases business database services to
clients?
a. Dun & Bradstreet
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, Name: Class: Date:

Chapter_01_Data_and_Statistics
b. Bloomberg
c. U.S. Census Bureau
d. Dow Jones and Company

ANSWER: c

40. The most common type of observational study is a(n) _____.
a. experiment
b. survey
c. debate
d. statistical inference

ANSWER: b

41. The summaries of data, which may be tabular, graphical, or numerical, are referred to as _____.
a. inferential statistics
b. descriptive statistics
c. statistical inference
d. report generation

ANSWER: b

42. A Scanner Data User Survey of 50 companies found that the average amount spent on scanner data
per category of consumer goods was $387,325 (Mercer Management Consulting, Inc., April 24, 1997).
The $387,325 is an example of _____.
a. categorical data
b. a categorical variable
c. a descriptive statistic
d. time series data

ANSWER: c

43. Statistical inference _____.
a. refers to the process of drawing inferences about the sample based on the characteristics of the
population
b. is the same as descriptive statistics
c. is the process of drawing inferences about the population based on the information taken from
the sample
d. is the same as a census

ANSWER: c

44. The collection of all elements of interest in a study is _____.
a. the population
b. the sampling
c. statistical inference
d. descriptive statistics

ANSWER: a

Copyright Cengage Learning. Powered by Cognero. Page 8

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