How the f ratio examines differences among groups

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Which of the following best explains how the F ratio examines differences among groups?

A. The critical F is compared to the critical t.

B. The standard deviation for each group is subtracted from the mean of all groups.

C. The variability attributable to a treatment is compared to the variability arising from random error.

D. The probability of making a Type I error is compared to the probability of making a Type II error.

Reference no: EM131145128

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