Question 4 24 points Save Answer A study followed a group of heavy smokers (100 men and 120 women) for 5 years. In the 5 years, 15 men and 10 women developed lung cancer. Using women as the reference group, do the following. 1) Summarize the data in a table format, calculate the risk difference, and interpret it. 2) Calculate the risk ratio and interpret it. 3) Calculate the odds ratio and interpret it. 4) What is the 90% confidence interval for the risk difference? 5) Calculate the z-statistic for testing the null hypothesis of HO: p1 = p2 at alpha = 0.03. What is the hypothesis testing conclusion based on the data? Attach File Browse Local Files Browse Content Collection