In a Two-Factor Between-Subjects Analysis of Variance, If SSTotal Is

question 25

Multiple Choice

In a two-factor between-subjects analysis of variance, if SSTotal is 1000, SSA is 100, SSB is 200, SSA × B is 300 and SSError is 400, then η2 for factor B = and η2 for the interaction of factors A and B is.

• A).30; .20
• B).20; .30
• C).50; .75
• D).75; .50

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Definitions:

Alternative Hypothesis

The hypothesis that proposes a specific relationship between variables, tested against the null hypothesis in statistical analysis.

One-sample Z-test

A statistical test used to determine whether the mean of a sample significantly differs from a known or hypothesized population mean.

Possible Means

The various average values that could be calculated from different subsets or populations of data.

Standard Error

A statistical measure that quantifies the accuracy with which a sample mean represents the population mean, often used in inferential statistics.