contemporary business statistics international edi
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,CHAPTER 1—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
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.
ANS: A PTS: 1
6. The entities on which data are collected are
a. elements
, 7. The set of measurements collected for a particular element is (are) called
a. census
b. variables
c. observations
d. samples
ANS: C PTS: 1
8. A characteristic of interest for the elements is called a(n)
a. sample
b. data set
c. variable
d. observation
ANS: C PTS: 1
9. All the data collected in a particular study are referred to as the
a. census
b. inference
c. variable
d. data set
ANS: D PTS: 1
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
ANS: B PTS: 1
11. Which of the following is NOT a scale of measurement?
a. nominal
b. ordinal
c. interval
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
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