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) Wilcoxon rank sum test B) Z test for difference in proportions
C) Pooled-variance t test D) Paired t test
Question 2
A buyer for a manufacturing plant suspects that his primary supplier of raw materials is overcharging. In order to determine if his suspicion is correct, he contacts a second supplier and asks for the prices on various identical materials. He wants to compare these prices with those of his primary supplier. He collected data on 6 different materials from both suppliers. He believes that the differences are normally distributed. Which of the following tests will be the most appropriate?
A) Wilcoxon rank sum test B) Pooled-variance t test
C) McNemar test D) Paired t test
This chart illustrates the bottom up assumption about government. In this, attitudes, culture, and
Lalla Essaydi, La Grande Odalisque, from the series Les Femmes du Maroc (The Women of Morocco).
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