1. (5pts) Output a contingency table with CHD as the column and Age_cat as the rows. Make a table in your homework to show what the crosstab looks like. Make sure your columns to have Yes CHD as the first column, No CHD as your second column, Age 46-70 as the first row, and 20-45 as your second row. Calculate (by hand) the odds ratio and interpret.

1. (5pts) Output a contingency table with CHD as the column and sex as the rows. Make a table in your homework to show what the crosstab looks like. Make sure your columns to have Yes CHD as the first column, No CHD as your second column, Male as the first row, and female as your second row. Calculate (by hand) the odds ratio and interpret.