In an Analysis of Variance, the Variability of the Group

question 3

Multiple Choice

In an analysis of variance, the variability of the group means about a grand mean is calculated by:

• A) squaring the sum of the within-group variance and between-group variance.
• B) squaring the deviation of each score from its group mean and summing these scores.
• C) squaring the deviation of each score from the grand mean and summing these squares.
• D) squaring the deviation of each group mean from the grand mean, multiplying by the number of items in the group, and summing these scores.

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Definitions:

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A form of physical activity that involves vigorous bursts of activity followed by short recovery periods.

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Actions taken to offset or make up for another behavior, often observed in the context of psychological disorders, such as eating disorders.

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