Which Nonparametric Test Would We Use to Compare Ratings Assigned

question 20

Multiple Choice

Which nonparametric test would we use to compare ratings assigned to n pairs of bonds by two different rating agencies, if the bonds are rated on an ordinal scale (Aaa, Aa, A, Baa, Ba B, etc.) ?

• A)Wald-Wolfowitz one-sample runs test
• B)Wilcoxon signed-rank test
• C)Wilcoxon rank sum (Mann-Whitney) test
• D)Kruskal-Wallis test

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