A Marketing Study Was Conducted to Compare the Mean Age $\mathrm { F } _ { \mathrm { r } ^ { - } }$

Multiple Choice

A marketing study was conducted to compare the mean age of male and female purchasers of a certain product. Random and independent samples were selected for both male and female
Purchasers of the product. It was desired to test to determine if the distribution of ages of all
Female purchasers was shifted to the right of the distribution of ages of all male purchasers. What
Type of nonparametric analysis should be used?

A) The Wilcoxon Signed Rank Test
B) The Sign Test
C) The Kruskal-Wallis H-Test
D) The Wilcoxon Rank Sum Test
E) The Friedman $\mathrm { F } _ { \mathrm { r } ^ { - } }$ Test