In the printout of results for a repeated-measures analysis of variance, an F score for "mean" or "constant" sometimes appears. Why is this statistic often not interesting even if it is significant?
A) It shows differences between time sessions which are not important.
B) It is a randomly generated number.
C) It shows that the population mean is or is not equal to zero which is often of no interest.
D) It is redundant information given the F score for the time variable.

Question

Quizplus · Accepted Answer

The F score for "mean" or "constant" shows whether the population mean is or is not equal to zero, which is often not of interest in the analysis. Therefore, even if it is significant, it may not be practically meaningful.

In the Printout of Results for a Repeated-Measures Analysis of Variance