One Common Use of Statistics in Education Is to Rank

Multiple Choice

One common use of statistics in education is to rank a set of universities so the Number 1 is "best"and Number Last is "worst."Suppose you thought that the main variable that determined rank was number of students. Which statistic below should you use to make this comparison?

A) Mann-Whitney U test
B) Wilcoxon matched-pairs signed-ranks T test
C) Wilcoxon-Wilcox multiple comparisons test
D) Spearman r_s.