Kruskal Wallis H test Use when a nonparametric test is needed. When you have one variable but more than two groups. Equivalent to a one way ANOVA

Gr 1 Gr 2 Gr

Gr 1 Gr 2 Gr

Tied ranks of 5, 6 and = / 3 = 6 Averaged rank to be given: 6

Gr 1 Gr 2 Gr

Gr 1 Gr 2 Gr

Gr 1 Gr 2 Gr

Gr 1 Gr 2 Gr

Check the rankings:

= 120

Evaluate using a Chi Square table df: K-1 If the computed value is greater than the critical value the outcome is significant.

K= 3 groups df = 2 critical value : > 5.99, therefore, there are significant differences between the groups.