In the analysis of variance with three groups the null hypothesis is
A) the three population means are all different.
B) at least one of the population means is different from the others.
C) the three population means are equal to each other.
D) We can't tell from what is given here.

Question

Quizplus · Accepted Answer

The null hypothesis in an analysis of variance (ANOVA) when comparing three groups is that the means of all groups are equal. This is a fundamental assumption that ANOVA tests against to determine if there is any statistically significant difference among the groups.

In the Analysis of Variance with Three Groups the Null