Question: Why is it necessary to run a post hoc test after you run a simple ANOVA? The F-statistic and p-value tells us whether or not

Why is it necessary to run a post hoc test after you run a simple ANOVA?

The F-statistic and p-value tells us whether or not there is a difference between means, but it does not tell us where the difference lies. The post hoc test tells us where the difference lies.

Post hoc tests are used when the data is not normally distributed

Post hoc tests are used when the differences between means is too small to detect with a simple ANOVA

Post hoc tests are used when the sample size is small

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