Which of the following is not a required assumption for the analysis of variance?

a. The random variable of interest for each population has a normal probability distribution.
b. Populations under consideration have equal means.
c. At least 2 populations are under consideration.
d. The variance associated with the random variable must be the same for all populations.

Respuesta :

Answer:

B. Population under consideration have equal means.

Explanation:

ANOVA (analysis of variance) is a statistical technique for determining the existence of differences among several population means. ANOVA is not used to show that variances are different (that is a different test); it is used to show that means are different