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
ANS: D PTS: 1
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
ANS: B PTS: 1
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
ANS: A PTS: 1
4. The number observations in a complete data set having 10 elements and 5 variables is
a. 5
b. 10
c. 25
d. 50
ANS: B PTS: 1
5. Facts and figures that are collected, analyzed and summarized for presentation and interpretation are
a. data
b. variables
c. elements
d. Both variables and elements are correct.
May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
, d. All of these are scales of measurement.
ANS: D PTS: 1
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
ANS: A PTS: 1
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
ANS: B PTS: 1
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
ANS: C PTS: 1
15. When the data have the properties of interval data and the ratio of two values is meaningful, the
variable has which scale of measurement?
a. nominal
b. ordinal
c. interval
d. ratio
May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
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