An Assumption of the F Test Is That the Sample

question 45

Multiple Choice

An assumption of the F test is that the sample is _____ selected from the population.

• A)independently
• B)independently and randomly
• C)randomly

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Definitions:

Probability

The measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Test Statistic

A calculated value used in statistical hypothesis testing to compare against a critical value to decide whether to reject the null hypothesis.

T Value

A statistic calculated in a T-test that measures the size of the difference relative to the variation in your sample data.

Homogeneity-of-Variance

The assumption that different samples in a study have the same variance or variability, often checked before applying certain statistical tests.