Question: 19. An experiment designed to study the relationship between hypertension and cigarette smoking yielded the following data. Test the hypothesis that whether or not an

19. An experiment designed to study the relationship between hypertension and cigarette smoking yielded the following data.

Nonsmoker Moderate Smoker Hypertension 20 No hypertension 50 38 27 Heavy Smoker

Test the hypothesis that whether or not an individual has hypertension is independent of how much that person smokes.

Nonsmoker Moderate Smoker Hypertension 20 No hypertension 50 38 27 Heavy Smoker 28 18

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