The Friedman Test is the non-parametric alternative to the one-way ANOVA with repeated measures. It is used to test for differences between groups when the dependent variable is ordinal.
To perform a Friedman Test for a given dataset, simply enter the values for up to five samples into the cells below, then press the “Calculate” button.
The calculator will output the test statistic Q, the p-value of the test, and the calculations that were used to derive the test statistic Q.
|Group 1||Group 2||Group 3||Group 4||Group 5|
Test Statistic Q: