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The entities on which data are collected are

Populations

Elements

Samples

None of these alternatives is correct.

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

Variables

Samples

Observations

None of these alternatives is correct.

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

Inference

Variable

Data set

None of these alternatives is correct.

Another name for "observations" is

Views

Variables

Cases

None of these alternatives is correct.

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

Nominal scale

Ratio scale

Ordinal scale

Interval scale

Some hotels ask their guests to rate the hotel’s services as excellent, very good, good, and poor. This is an example of the

Ordinal scale

Ratio scale

Nominal scale

Interval scale

The ratio scale of measurement has the properties of

Only the ordinal scale

Only the nominal scale

The rank scale

The interval scale

Arithmetic operations are inappropriate for

The ratio scale

The nominal scale

The interval scale

Both the ratio and interval scales

Income is an example of a variable that uses the

Ratio scale

Nominal scale

Interval scale

Ordinal scale

Quantitative data refers to data obtained with a(n)

Ordinal scale

Nominal scale

Either interval or ratio scale

Only interval scale

Quantitative data

Are always non numeric

May be either numeric or non numeric

Are always numeric

None of these alternatives is correct

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

Qualitative variable

Quantitative variable

Qualitative or quantitative variable, depending on how the respondents answered the question

None of these alternatives is correct.

Qualitative data

Indicate either how much or how many

Cannot be numeric

Are labels used to identify attributes of elements

Must be non numeric

Ordinary arithmetic operations are meaningful

Only with qualitative data

Only with quantitative data

Either with quantitative or qualitative data

None of these alternatives is correct.

Income is an example of

Qualitative data

Either qualitative or quantitative data

Dollar data

Quantitative data

The summaries of data, which may be tabular, graphical, or numerical, are referred to as

Inferential statistics

Descriptive statistics

Statistical inference

Report generation

Qualitative data can be graphically represented by using a(n)

Histogram

Frequency polygon

Ogive

Bar graph

Fifteen percent of the students in a school of Business Administration are majoring in Economics, 20% in Finance, 35% in Management, and 30% in Accounting. The graphical device(s) which can be used to present these data is (are)

A line graph

Only a bar graph

Only a pie chart

Both a bar graph and a pie chart

In constructing a frequency distribution, as the number of classes are decreased, the class width

Decreases

Remains unchanged

Can increase or decrease depending on the data values

Increases

A graphical presentation of the relationship between two variables is

An ogive

A histogram

Either an ogive or a histogram, depending on the type of data

A scatter diagram

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