Question: An analyst is evaluating whether there is a difference in widgets made per hour by employees before and after they all receive an increase in

An analyst is evaluating whether there is a difference in widgets made per hour by employees before and after they all receive an increase in pay. The data do not meet the assumptions of parametric tests. Which of the following tests would you use to test for the difference between the means? A. Wilcoxon rank-sum B. Wilcoxon signed-rank test C. Friedman's ANOVA D. Kruskal-Wallis test

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