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QUESTION
(B) Z-test for Comparing Proportions From the Data Bank, select a random sample of at least 30 men and 30 women. i) Count the number of smokers among the men and the women. ii) Calculate the proportio
(B) Z-test for Comparing Proportions
From the Data Bank, select a random sample of at least 30 men and 30 women.
i) Count the number of smokers among the men and the women.
ii) Calculate the proportions of smokers among the men and the women.
iii) Construct a confidence interval for the difference between the proportion of men who are smokers and the proportion of women who are smokers.
iv) Compare the proportion of men who are smokers with the proportion of women who are smokers by using the z test. Use alpha = 0.05.
Files:
Appendix A_Data Bank.pdf
