Question: When do you use an ANOVA test? when you want to test if the means of three or more populations are equal when you want

When do you use an ANOVA test? when you want to test if the means of three or more populations are equal when you want to test if the standard deviations of less than four populations are equal when you want to test if the variances of at most four populations are equal when you want to test if the variances of three or more populations are equal when you want to test if the means of two or more populations are equal

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