Suppose there is interest in comparing the median response time for three independent groups learning a specific task. The appropriate nonparametric procedure is
A) Wilcoxon Rank Sums Test.
B) $\chi ^ { 2 }$ test for the different among more than two proportions.
C) Kruskal-Wallis Rank Test.
D) $\chi ^ { 2 }$ test for independence.

Question

Quizplus · Accepted Answer

The Kruskal-Wallis Rank Test is the appropriate nonparametric test for comparing the medians of three or more independent groups.

Suppose There Is Interest in Comparing the Median Response Time χ2\chi ^ { 2 }χ2

Suppose There Is Interest in Comparing the Median Response Time $\chi ^ { 2 }$