In one-way analysis of variance involving three groups, the alternative hypothesis would be considered correct if, in the population,
A) all means were equal
B) two means are equal but the third is different
C) all three means have different values
D) either (b) or (c) above is true

Question

Quizplus · Accepted Answer

The alternative hypothesis in ANOVA states that not all group means are equal, which means at least one group mean is different from the others. This is satisfied if either two means are equal and the third is different, or if all three means are different.

In One-Way Analysis of Variance Involving Three Groups, the Alternative