Suppose That Six Different E-Readers Were Evaluated by Two Senior

Multiple Choice

Suppose that six different e-readers were evaluated by two senior citizen consumer groups using rankings from 1 (best) to 6 (worst) .To determine if there is a difference in the rankings between the two magazines, the appropriate nonparametric method is the ________________________ .

A) Wilcoxon Rank-Sum test
B) Wilcoxon Signed-Rank test
C) Spearman's rho
D) Kruskal Wallis test
E) Kendall's tau