In an analysis of variance,if the null hypothesis is true,then
A)the research hypothesis can also be true.
B)fewer participants can be included in the experiment.
C)there is less variance among means of samples than if the null hypothesis were not true.
D)the within-groups estimate of the population variance is smaller than the between-groups estimate.

Question

Quizplus · Accepted Answer

If the null hypothesis is true, it means that there is no significant difference between the means of the groups being compared. Therefore, there is less variance among means of samples than if the null hypothesis were not true.

In an Analysis of Variance,if the Null Hypothesis Is True,then