Suppose There Is Interest in Comparing the Median Response Time

question 90

Multiple Choice

Suppose there is interest in comparing the median response time for three independent groups learning a new specific task. In this case, what is the appropriate nonparametric procedure to use?

• A) the Wilcoxon rank sum test
• B) the Wilcoxon signed-rank test
• C) the Kruskal-Wallis test for differences in medians
• D) either a or b

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