CHAPTER ONE
DATA AND STATISTICS
MULTIPLE CHOICE QUESTIONS
In the following multiple choice questions, circle the correct answer.
1. 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.
ANSWER: a
2. The entities on which data are collected are
a. elements
b. populations
c. sets
d. samples
ANSWER: a
3. The set of measurements collected for a particular element is (are) called
a. census
, b. variables
c. observations
d. samples
ANSWER: c
4. A characteristic of interest for the elements is called a(n)
a. sample
b. data set
c. variable
d. observation
ANSWER: c
5. All the data collected in a particular study are referred to as the
a. census
b. inference
c. variable
d. data set
ANSWER: d
6. 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
, 7. Which of the following is NOT a scale of measurement?
a. nominal
b. ordinal
c. interval
d. All of these are scales of measurement.
ANSWER: d
8. 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
ANSWER: a
9. 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
10. 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
11. 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
ANSWER: d
12. Which scale of measurement can be either numeric or nonnumeric?
a. nominal
b. ordinal
c. interval
d. nominal and ordinal
ANSWER: d
13. Which of the following variables use the interval scale of measurement?
a. name of stock exchange
b. time
c. SAT scores
d. Social Security number
ANSWER: c
14. Which of the following variables use the ratio scale of measurement?
a. name of stock exchange
b. time
DATA AND STATISTICS
MULTIPLE CHOICE QUESTIONS
In the following multiple choice questions, circle the correct answer.
1. 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.
ANSWER: a
2. The entities on which data are collected are
a. elements
b. populations
c. sets
d. samples
ANSWER: a
3. The set of measurements collected for a particular element is (are) called
a. census
, b. variables
c. observations
d. samples
ANSWER: c
4. A characteristic of interest for the elements is called a(n)
a. sample
b. data set
c. variable
d. observation
ANSWER: c
5. All the data collected in a particular study are referred to as the
a. census
b. inference
c. variable
d. data set
ANSWER: d
6. 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
, 7. Which of the following is NOT a scale of measurement?
a. nominal
b. ordinal
c. interval
d. All of these are scales of measurement.
ANSWER: d
8. 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
ANSWER: a
9. 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
10. 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
11. 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
ANSWER: d
12. Which scale of measurement can be either numeric or nonnumeric?
a. nominal
b. ordinal
c. interval
d. nominal and ordinal
ANSWER: d
13. Which of the following variables use the interval scale of measurement?
a. name of stock exchange
b. time
c. SAT scores
d. Social Security number
ANSWER: c
14. Which of the following variables use the ratio scale of measurement?
a. name of stock exchange
b. time
