Table 2. Most recent amount of cigarettes smoked daily before onset of the present illness, lung cancer cases and matched controls with other diseases, Great Britain, 1948-1952. Daily # of # of Cases # of Odds Ratio Cigarettes Controls 0 13 115 1.0 (Reference Group) 1 - 14 1062 1326 15 - 24 836 767 25 + 639 342 Total 2550 2550 Question 12: (3 points) Compute the odds ratio for each category of daily cigarette consumption, comparing each smoking category to nonsmokers as the reference group (OR = 1). Fill in the appropriate cells in Table 2 (above)