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

question 160

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

---

Definitions:

Geometric Mean

The central tendency of a set of numbers, calculated by taking the nth root of the product of n numbers, useful for sets of positive numbers.

Measure Of

A general term for a quantitative indicator used to assess or evaluate a specific attribute or property.

Geometric Mean

The central tendency of a set of numbers that is calculated by taking the nth root (where n is the count of numbers) of the product of the values.

Weighted Mean

The mean obtained by assigning each observation a weight that reflects its importance.