Are men and women college students equally likely to be frequent binge drinkers? Here is the summary
Question:
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?
Practicing Statistics Guided Investigations for the Second Course
ISBN: 978-0321586018
1st edition
Authors: Shonda Kuiper, Jeff Sklar