1. Methods for developing useful decision-making information from large data bases is known as
a. data manipulation
b. data monitoring
c. data base conversion
d. data mining
ANSWER: d
2. The process of capturing, storing, and maintaining data is known as
a. data manipulation
b. data monitoring
c. data warehousing
d. category analysis
ANSWER: c
3. The subject of data mining deals with
a. methods for developing useful decision-making information from large data bases
b. keeping data secure so that unauthorized individuals cannot access the data
c. computational procedure for data analysis
d. computing the average for data
ANSWER: a
4. 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
, ANSWER: b
5. The nominal scale of measurement has the properties of the
a. ordinal scale
b. only interval scale
c. ratio scale
d. None of these alternatives is correct.
ANSWER: d
,6. The scale of measurement that is used to rank order the observation for a variable is called the
a. ratio scale
b. ordinal scale
c. nominal scale
d. interval scale
ANSWER: b
7. Some hotels ask their guests to rate the hotel's services 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
ANSWER: a
8. The ordinal scale of measurement has the properties of the
a. ratio scale
b. interval scale
c. nominal scale
d. ratio and interval scales
ANSWER: c
9. 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
ANSWER: d
, 10. Temperature is an example of a variable that uses
a. the ratio scale
b. the interval scale
c. the ordinal scale
d. either the ratio or the ordinal scale
ANSWER: b
11. 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 these alternatives is correct.
ANSWER: d
12. Arithmetic operations are inappropriate for
a. the ratio scale
b. the interval scale
c. both the ratio and interval scales
d. the nominal scale
ANSWER: d
13. Income is an example of a variable that uses the
a. ratio scale
b. interval scale
c. nominal scale
d. ordinal scale
ANSWER: a