This web calculator conducts a two-way ANOVA test. The calculator includes a video definition, an explanation of the formula and practice examples.

When testing whether the means of more than 2 groups are statistically different, you could use a one-way ANOVA. But if you ...

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 ...