Question: 3. When do you need to conduct post hoc comparisons to identify exactly where the difference comes from? 1. After conducting an ANOVA for three

3. When do you need to conduct post hoc comparisons to identify exactly where the difference comes from?

1. After conducting an ANOVA for three or more groups 2. After conducting an ANOVA for two groups 3. After a significant ANOVA result for three or more groups 4. After a significant ANOVA result for two groups

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