You wish to learn whether married people with children differ from married people without children on a scale of "conservatism." You obtain scores for 50 people from each group and rank order them. Which test of significance would you use to test for a difference between the two groups on this dimension?
a. Mann-Whitney U Test
b. Wilcoxon Signed-Ranks Test
c. Kruskal Wallis Test
d. t-test for the difference between dependent means
e. t-test for the difference between independent means
Ans: a
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