Who is more likely to get a routine medical checkup-employed or unemployed people? To answer this question, a team of physicians and public health professors collected data on a sample of over 2,200 individuals (American Journal of Public Health, Jan. 2002). Of the 1,140 individuals who were employed, 642 visited a physician for a routine checkup within the past year. In contrast, 740 of the 1,106 unemployed individuals Had a routine medical checkup within the past year.
a. Specify the parameter of interest to the research team.
b. Set up the null and alternative hypotheses for testing whether there is a difference between the percentages of employed and unemployed people who had a recent routine medical checkup.
c. Compute the test statistic for the test.
d. Give the rejection region for the test using α = .01.
e. The research team reported the p-value for the test as p-value ≈ 0. Do you agree?
f. Make the appropriate conclusion.