Question 4-6. Results of a retrospective case control study of a chronic disease and exposure to a potential risk factor or preventive factor are shown in the table below. The control group is matched...

Extracted text: Question 4-6. Results of a retrospective case control study of a chronic disease and exposure to a potential risk factor or preventive factor are shown in the table below. The control group is matched to the cases by age, gender and location of residence. From these data, estimate the odds ratio (OR), interpret the results of a Z test. Status Cases Controls Exposure to factor 200 300 No Exposure to factor з00 200 5. If Z=-6.3 for these data, what is the P Value? 0.5 0.1 0.00001 0.2