Which of the following is NOT a basic assumption of analysis of variance with a completely randomized design?
A) The treatment group means are equal.
B) The variance is the same for each treatment group.
C) The variable is normally distributed.
D) Samples are independent.
E) All of the above are basic assumptions of the analysis of variance.

Question

Quizplus · Accepted Answer

The basic assumption of analysis of variance (ANOVA) is not that the treatment group means are equal; rather, ANOVA tests whether the means are significantly different. The other options (B, C, D) are indeed assumptions of ANOVA.

Which of the Following Is NOT a Basic Assumption of Analysis