The value of F cannot be negative, because variances are always positive or zero.

Name: The value of F cannot be negative, because variances are always positive or zero.
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Quizplus · Accepted Answer

This statement is true. Variances are calculated by summing the squares of the deviations from the mean, which are always positive or zero. Therefore, the variance and consequently the F-ratio (which is the ratio of two variances) cannot be negative.

The Value of F Cannot Be Negative, Because Variances Are