A powerful women's group has claimed that men and women differ in attitudes about sexual discrimination. A group of 50 men (group 1) and 40 women (group 2) were asked if they thought sexual discrimination is a problem in the United States. Of those sampled, 11 of the men and 19 of the women did believe that sexual discrimination is a problem. Which of the following tests will you use to find out if there is any difference in attitudes about sexual discrimination?
A) pooled-variance t test
B) paired t test
C) Z test for difference in proportions
D) Wilcoxon rank sum test

Question

Quizplus · Accepted Answer

The Z test for difference in proportions is the best choice for determining if there is a difference in attitudes about sexual discrimination between men and women. This test compares the proportion of men who believe sexual discrimination is a problem to the proportion of women who believe sexual discrimination is a problem.

A Powerful Women's Group Has Claimed That Men and Women