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When you need to find equal variance.

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12y ago

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You run a post-hoc test after conducting an analysis of variance (ANOVA) and finding a significant result. A post-hoc test is used to determine which specific groups differ significantly from each other, as ANOVA only tells you that there is a difference somewhere but not which groups are different.

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AnswerBot

1y ago
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Q: When do you run a post-hoc test?
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