Are men and women college students equally likely to be frequent binge drinkers? Here is the summary data:

a) State the null and alternative hypotheses:

b) What is the unbiased point estimate for the difference between the two population proportions? Explain how you obtain your answer.

c) What is/are the critical value(s) when performing a Z test on whether population proportions are different if ? = 0.05? Explain how you obtain your answer.

d) What is the estimated standard error of the difference between the two sample proportions? Show how you obtain your answer.

e) Construct a 95% confidence interval estimate of the difference in proportion between male and female binge drinking. Show how you obtain your answer.

f) What is your conclusion about the difference? Is it statistically significant? Is it practically significant?

Transcribed Image Text:

Population Male college students Female college students n 5348 8471 13819 1392 1748 3140 p-hat-X/n 0.260 0.206 0.227 Population Male college students Female college students n 5348 8471 13819 1392 1748 3140 p-hat-X/n 0.260 0.206 0.227

Answer rating: 100% (QA)

a Null hypothesis H0 p1 p2 Alternate hypothesis H... View the full answer