Kruskal-Wallis Test

The non-parametric, independent Kruskal-Wallis test tests if several groups with ordinal attributes originate from the same distribution.

More information can be found at Kruskal-Wallis test on Wikipedia.

Hypotheses:
H ₀ : the mean ranks of the groups are the same.
H _A : the mean ranks of the groups differ.

Input ports

1. Type: Table
   Samples
   Input table with at least one ordinal column and one nominal column (groups).

Output ports

1. Type: Table
   Results
   Output table with Kruskal-Wallis test statistic, p-Value, and descriptive statistics of group ranks.