If the absolute difference between two sample means is large enough to be greater than the
Tukey- Kramer critical range, we have enough evidence to conclude that the population means are different.

Question

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The Tukey-Kramer test is used to determine if there are significant differences between group means after an ANOVA test, and if the absolute difference between sample means exceeds the critical range, it suggests a significant difference in population means.

If the Absolute Difference Between Two Sample Means Is Large