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:

p-value:

Solution

Q =

Q =

Q =