Significance tests
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| data type | comparing 2 groups | comparing >2 groups |
|---|---|---|
| parametric [1] (equal variance [2]) | Student's t-test [3] | ANOVA [4] |
| parametric (different variances) | Welch t-test [5] | Welch ANOVA |
| nonparametric [6] | rank sum test (Mann-Whitney) [7] | Kruskal-Wallis test [8] |
