Two NFL scouts are in the process of recruiting 7 college senior football players (receivers).After a careful review and evaluation,both scouts ranked the seven receivers in terms of their professional career prospects.If we want to determine whether the two scouts have similar opinions about the professional football career prospects of the seven players,which one of the following nonparametric tests would be chosen?
A)Wilcoxon signed rank test
B)Wilcoxon rank sum test
C)Sign test
D)Kruskal-Wallis test
E)Spearman's rank correlation test

Question

Quizplus · Accepted Answer

Spearman's rank correlation test is appropriate when the goal is to determine the degree of correlation between two sets of ranked data. In this case, the two scouts have each ranked the seven players, and this test can determine if there is a significant correlation between their rankings. The other tests listed are not appropriate for this scenario. The Wilcoxon signed rank test is used to compare two related samples, the Wilcoxon rank sum test is used to compare two unrelated samples, the sign test is used for a single sample, and the Kruskal-Wallis test is used to compare more than two independent samples.

Two NFL Scouts Are in the Process of Recruiting 7