Association Between Smoking and Lung Cancer An epidemiological study was conducted to examine the relationship between smoking habits (current smoker vs. non-smoker) and the development of lung cancer over a 10-year period. The data collected from the cohort is provided in the following 2x2 table: Lung Cancer No Lung Cancer Total Current Smoker 150 850 1,000 Non-Smoker 20 980 1,000 Total 170 1,830 2,000

Calculate and interpret the following measurements of association:

1. Relative Risk (RR)

2. Odds Ratio (OR)