The Adecco Workplace Insights Survey sampled men and women workers and asked if theyexpected to get a raise or promotion this year (Usa today, February 16, 2012). Supposethe survey sampled 200 men and 200 women. If 104 of the men replied Yes and 74 of thewomen replied Yes, are the results statistically significant in that you can conclude a greaterproportion of men are expecting to get a raise or a promotion this year?a. State the hypothesis test in terms of the population proportion of men and thepopulation proportion of women?b. What is the sample proportion for men? For women?c. Use a .01 level of significance. What is the p-value and what is your conclusion?
The Adecco Workplace Insights Survey sampled men and women workers and asked if they
expected to get a raise or promotion this year (Usa today, February 16, 2012). Suppose
the survey sampled 200 men and 200 women. If 104 of the men replied Yes and 74 of the
women replied Yes, are the results statistically significant in that you can conclude a greater
proportion of men are expecting to get a raise or a promotion this year?
a. State the hypothesis test in terms of the population proportion of men and the
population proportion of women?
b. What is the sample proportion for men? For women?
c. Use a .01 level of significance. What is the p-value and what is your conclusion?
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