Question: Which statement is incorrect? Explain. a. We need a Tukey test because ANOVA doesn't tell which group means differ. b. Hartley's test is needed to

Which statement is incorrect? Explain.
a. We need a Tukey test because ANOVA doesn't tell which group means differ.
b. Hartley's test is needed to determine whether the means of the groups differ.
c. ANOVA assumes equal variances in the k groups being compared.

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