Now that you are an adult, you decide to test one of the truisms passed along by your mother: "Cheaters never win in the end." You randomly assign a group of 20 children to either cheat or to play fair on a scavenger hunt.You then rank the children by how many items they were able to get during the scavenger hunt.Which technique would you use to analyze the data to determine whether cheaters finish differently than non-cheaters?
A) independent-samples t test
B) paired-samples t test
C) Wilcoxon signed-rank test
D) Mann-Whitney U test

Question

Quizplus · Accepted Answer

The Mann-Whitney U test is the best choice for analyzing the data because it is a nonparametric test that compares two independent samples and determines if there is a significant difference between the two groups. It is appropriate for data that is not normally distributed, which is likely to be the case with the rank-based data in this scenario.

Now That You Are an Adult, You Decide to Test