A Marketing Study Was Conducted to Compare the Mean Age $\text { The Friedman } \mathrm { F } _ { \mathrm { r } } \text {-Test }$

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