The null hypothesis for an analysis of variance (ANOVA) test comparing the means of three groups is stated as: $\mu$1 ≠ $\mu$2 ≠ $\mu$3.

Name: The null hypothesis for an analysis of variance (ANOVA) test comparing the means of three groups is stated as: $\mu$1 ≠ $\mu$2 ≠ $\mu$3.
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The null hypothesis for an ANOVA test is that all group means are equal, not that they are different. It is typically stated as μ1 = μ2 = μ3 for three groups.

The Null Hypothesis for an Analysis of Variance (ANOVA) Test μ\muμ

The Null Hypothesis for an Analysis of Variance (ANOVA) Test $\mu$