When you are planning to analyze data from more than two groups with a one-way ANOVA, you need to calculate your sample size and power accordingly. These computations are available, prospectively, for ...

ANOVA will tell you whether there is a statistically ... There are several assumptions you need to meet before doing your Tukey test: One of the downsides of doing multiple comparison tests ...

PROC NPAR1WAY computes a one-way ANOVA test for each score type that you specify. Under the null hypothesis of no difference among class levels (or samples), this test statistic has an asymptotic ...