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One-way ANOVA Inference for one-way ANOVA - page 22 / 41

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You have calculated a p-value for your ANOVA test. Now what?  

If you found a significant result, you still need to determine which treatments were different from which.

You can gain insight by looking back at your plots (boxplot, mean ± s).

There are several tests of statistical significance designed specifically for multiple tests. You can choose apriori contrasts, or aposteriori multiple comparisons.

You can find the confidence interval for each mean i shown to be significantly different from the others.

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