Ordinary arithmetic operations are meaningful

Ordinary arithmetic operations are meaningful

a. only with categorical data
b. only with quantitative data
c. either with quantitative or categorical data
d. None of these alternatives is correct.


Answer: b. only with quantitative data

Categorical data

Categorical data

a. indicate either how much or how many
b. cannot be numeric
c. are labels used to identify attributes of elements
d. must be non numeric


Answer: c. are labels used to identify attributes of elements

Categorical data

Categorical data

a. must be numeric
b. must be nonnumeric
c. cannot be numeric
d. may be either numeric or nonnumeric


Answer: d. may be either numeric or nonnumeric

The number of cases will always be the same as the number of

The number of cases will always be the same as the number of

a. variables
b. elements
c. data sets
d. data


Answer: b. elements

In a questionnaire, respondents are asked to mark their gender as male or female. Gender is an example of a

In a questionnaire, respondents are asked to mark their gender as male or female. Gender is an example of a

a. categorical variable
b. quantitative variable
c. categorical or quantitative variable, depending on how the respondents answered the question
d. None of these alternatives is correct.


Answer: a. categorical variable

Quantitative data

Quantitative data

a. are always nonnumeric
b. may be either numeric or nonnumeric
c. are always numeric
d. None of these alternatives is correct.


Answer: c. are always numeric

Another name for "observations" is

Another name for "observations" is

a. views
b. variables
c. cases
d. None of these alternatives is correct.


Answer: c. cases

All the data collected in a particular study are referred to as the

All the data collected in a particular study are referred to as the

a. inference
b. variable
c. data set
d. None of these alternatives is correct.


Answer: c. data set

A characteristic of interest for the elements is called a(n)

A characteristic of interest for the elements is called a(n)

a. sample
b. data set
c. variable
d. None of these alternatives is correct.


Answer: c. variable

The set of measurements collected for a particular element is (are) called

The set of measurements collected for a particular element is (are) called

a. variables
b. observations
c. samples
d. None of these alternatives is correct.


Answer: b. observations

The entities on which data are collected are

The entities on which data are collected are

a. elements
b. populations
c. samples
d. None of these alternatives is correct.



Answer: a. elements

Data

Data

a. are always be numeric
b. are always nonnumeric
c. are the raw material of statistics
d. None of these alternatives is correct.


Answer: c. are the raw material of statistics

Quantitative data refers to data obtained with a(n)

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


Answer: c. either interval or ratio scale

Arithmetic operations are appropriate for

Arithmetic operations are appropriate for

a. only the ratio scale
b. only the interval scale
c. the nominal scale
d. None of these alternatives is correct.


Answer: d. None of these alternatives is correct.

The scale of measurement that has an inherent zero value defined is the

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



Answer: a. ratio scale

Data obtained from a nominal scale

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


Answer: b. can be either numeric or nonnumeric

Income is an example of a variable that uses the

Income is an example of a variable that uses the

a. ratio scale
b. interval scale
c. nominal scale
d. ordinal scale


Answer: a. ratio scale

Arithmetic operations are inappropriate for

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. the nominal scale

The interval scale of measurement has the properties of the

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. None of these alternatives is correct.

Temperature is an example of a variable that uses

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. the interval scale