Question: 12.3 Define the parameter p1 2 p2 to be the difference in the proportions of 21-year-old men and women in the United States who have

12.3 Define the parameter p1 2 p2 to be the difference in the proportions of 21-year-old men and women in the United States who have a high school diploma. Researchers are interested in the hypothesis that p1 2 p2 5 0.

a. What are the populations of interest in this situation?

b. Write the hypothesis in words, being careful to specify the populations and the parameter of interest, by completing this sentence: “Researchers are interested in the hypothesis that...”

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