Suppose That 6 Economists Who Work for the Federal Government

Multiple Choice

Suppose that 6 economists who work for the federal government and 7 university economists were asked to grade the effectiveness of an economic stimulus bill in terms of its ability to increase jobs over the next two years. What nonparametric method is appropriate for testing if the two groups differ in terms of their opinion?

A) Wilcoxon rank-sum test
B) Wilcoxon signed-rank test
C) Spearman's rho test
D) Kruskal-Wallis Test
E) Kendall's tau test