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What is ANOVA? -Clickipedia


What ANOVA is: Analysis of variance (or ANOVA) is a method used to compare the means of more than two groups in order to establish
statistical significance. Tweet_this

What ANOVA is not: A t-test. While similar, a t-test allows for the comparison of the mean across only two groups. Multiple two-sample t-tests result in an increase in the likelihood of a type I error.

Why ANOVA matters: Comparing the results of multiple experiments—multiple A/B tests or even test variations—is very useful for optimization. The ANOVA method provides a durable approach to making such comparisons in situations where only the difference in experiment outcome is of interest.

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