The Test Statistic for the Equality of Two Population Variances

question 46

Multiple Choice

The test statistic for the equality of two population variances is based on the:

• A)ratio of the two sample variances.
• B)difference between the two sample variances.
• C)difference between the two population variances.
• D)difference between the sample variances divided by the difference between the sample means.

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Definitions:

Distribution

In statistics, distribution refers to the way in which data is spread out or dispersed across a range of values.

Relative Frequency Histogram

A type of histogram which shows the relative frequencies of different values within a dataset.

Data Set

A collection of related sets of information that is composed of separate elements but can be manipulated as a unit by a computer.

Frequency Distributions

A tabular or graphical representation of statistical data that shows how often different values occur in a dataset.