One common use of statistics is to rank a set of universities so that Number 1 is "best"and Number Last is "worst."Suppose you thought that being a private university would contribute to having a higher ranking and public universities would generally have lower ranks. Which statistic should you use to make this comparison? A) Mann-Whitney U test B) Wilcoxon matched-pairs signed-ranks T C) Wilcoxon-Wilcox multiple comparisons test D) Spearman r_s.

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Quizplus · Accepted Answer

The Mann-Whitney U test is used to compare differences between two independent groups when the dependent variable is either ordinal or continuous, but not normally distributed. In this case, it is suitable for comparing the ranks of private versus public universities, which are two independent groups.

One Common Use of Statistics Is to Rank a Set