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2. In a hypothetical case-control study of 180 cases of heart disease and 300 unmatched controls,...

2. In a hypothetical case-control study of 180 cases of heart disease and 300 unmatched controls, the following 2x2 table was determined for the association of sedentary lifestyle with heart disease:

Cases

Controls

      Sedentary lifestyle

135

150

      Not sedentary lifestyle

45

150

180

300

(a) Compute the odds ratio for sedentary lifestyle and heart disease.

math   Statistics-And-Probability   
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