CHAPTER 1—DATA AND STATISTICS
MULTIPLE CHOICE
1. In a questionnaire, respondents are asked to mark their gender as male or female. Gender is an example
of the
a. ordinal scale
b. nominal scale
c. ratio scale
d. interval scale
ANS: B PTS: 1 TOP: Descriptive Statistics
2. The nominal scale of measurement has the properties of the
a. ordinal scale
b. only interval scale
c. ratio scale
d. None of the alternatives is correct.
ANS: D PTS: 1 TOP: Descriptive Statistics
3. The scale of measurement that is ud to rank order the obrvation for a variable is called the
a. ratio scale
b. ordinal scale
c. nominal scale
d. interval scale
ANS: B PTS: 1 TOP: Descriptive Statistics
4. Some hotels ask their guests to rate the hotel's rvices as excellent, very good, good, and poor. This is an
example of the
a. ordinal scale
b. ratio scale
c. nominal scale
d. interval scale
ANS: A PTS: 1 TOP: Descriptive Statistics
5. The ordinal scale of measurement has the properties of the
a. ratio scale
b. interval scale
c. nominal scale
d. ratio and interval scales
ANS: C PTS: 1 TOP: Descriptive Statistics
6. The ratio scale of measurement has the properties of
a. only the ordinal scale
b. only the nominal scale
c. the rank scale
d. the interval scale
ANS: D PTS: 1 TOP: Descriptive Statistics
7. Temperature is an example of a variable that us
a. the ratio scale
b. the interval scale
c. the ordinal scale
d. either the ratio or the ordinal scale
ANS: B PTS: 1 TOP: Descriptive Statistics
8. The interval scale of measurement has the properties of the
a. ratio and nominal scales
b. ratio and ordinal scales
c. ratio scale
d. None of the alternatives is correct.
ANS: D PTS: 1 TOP: Descriptive Statistics
9. Arithmetic operations are inappropriate for
a. the ratio scale
b. the interval scale
c. both the ratio and interval scales
d. the nominal scale
ANS: D PTS: 1 TOP: Descriptive Statistics
10. Income is an example of a variable that us the
a. ratio scale
b. interval scale
c. nominal scale
d. ordinal scale
ANS: A PTS: 1 TOP: Descriptive Statistics
11. Data obtained from a nominal scale
a. must be alphabetic
b. can be either numeric or nonnumeric
c. must be numeric
d. must rank order the data
ANS: B PTS: 1 TOP: Descriptive Statistics
12. The scale of measurement that has an inherent zero value defined is the
a. ratio scale
b. nominal scale
c. ordinal scale
d. interval scale
ANS: A PTS: 1 TOP: Descriptive Statistics
13. Arithmetic operations are appropriate for
a. only the ratio scale
b. only the interval scale
c. the nominal scale
d. None of the alternatives is correct.
ANS: D PTS: 1 TOP: Descriptive Statistics
14. Quantitative data refers to data obtained with a(n)
a. ordinal scale
b. nominal scale
c. either interval or ratio scale
d. only interval scale
ANS: C PTS: 1 TOP: Descriptive Statistics
15. Data
a. are always be numeric
b. are always nonnumeric
c. are the raw material of statistics
d. None of the alternatives is correct.
ANS: C PTS: 1 TOP: Descriptive Statistics
16. The entities on which data are collected are
a. elements
b. populations
c. samples
d. None of the alternatives is correct.
ANS: A PTS: 1 TOP: Descriptive Statistics
17. The t of measurements collected for a particular element is (are) called
a. variables
b. obrvations
c. samples
d. None of the alternatives is correct.
ANS: B PTS: 1 TOP: Descriptive Statistics
18. A characteristic of interest for the elements is called a(n)
a. sample
b. data t
c. variable
d. None of the alternatives is correct.
ANS: C PTS: 1 TOP: Descriptive Statistics
19. All the data collected in a particular study are referred to as the
a. inference
b. variable
c. data t
d. None of the alternatives is correct.
ANS: C PTS: 1 TOP: Descriptive Statistics
20. Another name for "obrvations" is
a. views
b. variables
c. cas
d. None of the alternatives is correct.
ANS: C PTS: 1 TOP: Descriptive Statistics
21. Quantitative data
a. are always nonnumeric
b. may be either numeric or nonnumeric
c. are always numeric
d. None of the alternatives is correct.
ANS: C PTS: 1 TOP: Descriptive Statistics
22. In a questionnaire, respondents are asked to mark their gender as male or female. Gender is an example
of a
a. qualitative variable
b. quantitative variable
c. qualitative or quantitative variable, depending on how the respondents answered the
question
d. None of the alternatives is correct.
ANS: A PTS: 1 TOP: Descriptive Statistics
23. The number of cas will always be the same as the number of
a. variables
b. elements
c. data ts
d. data
ANS: B PTS: 1 TOP: Descriptive Statistics
24. Qualitative data
a. must be numeric
b. must be nonnumeric
c. cannot be numeric
d. may be either numeric or nonnumeric
ANS: D PTS: 1 TOP: Descriptive Statistics
25. Qualitative data
a. indicate either how much or how many
b. cannot be numeric
c. are labels ud to identify attributes of elements
d. must be nonnumeric
ANS: C PTS: 1 TOP: Descriptive Statistics
26. Ordinary arithmetic operations are meaningful
a. only with qualitative data
b. only with quantitative data
c. either with quantitative or qualitative data
d. None of the alternatives is correct.
ANS: B PTS: 1 TOP: Descriptive Statistics
27. Social curity numbers consist of numeric values. Therefore, social curity is an example of
a. a quantitative variable
b. either a quantitative or a qualitative variable
c. an exchange variable
d. a qualitative variable
ANS: D PTS: 1 TOP: Descriptive Statistics
28. Temperature is an example of
a. a qualitative variable
b. a quantitative variable
c. either a quantitative or qualitative variable
d. neither a quantitative nor qualitative variable
ANS: B PTS: 1 TOP: Descriptive Statistics
29. For ea of data entry into a university databa, 1 denotes that the student is an undergraduate and 2
indicates that the student is a graduate student. In this ca data are
a. qualitative
b. quantitative
c. either qualitative or quantitative
d. neither qualitative nor quantitative
ANS: A PTS: 1 TOP: Descriptive Statistics
30. Arithmetic operations are inappropriate for
a. qualitative data
b. quantitative data
c. both qualitative and quantitative data
d. large data ts
ANS: A PTS: 1 TOP: Descriptive Statistics
31. Income is an example of
a. qualitative data
b. either qualitative or quantitative data
c. dollar data
d. quantitative data
ANS: D PTS: 1 TOP: Descriptive Statistics
32. Data collected at the same, or approximately the same, point in time are
a. time ries data
b. approximate time ries data
c. crosctional data
d. approximate data
ANS: C PTS: 1 TOP: Descriptive Statistics
33. Data collected over veral time periods are
a. time ries data
b. time controlled data
c. crosctional data
d. time crosctional data
ANS: A PTS: 1 TOP: Descriptive Statistics
34. Statistical studies in which rearchers do not control variables of interest are
a. experimental studies
b. uncontrolled experimental studies
c. not of any value
d. obrvational studies
ANS: D PTS: 1 TOP: Descriptive Statistics
