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You have the following 2x2 table: Smokers Non-smokers Total Heart Disease 20 4 24 No Heart Disease 80 96 176 Total 100 100 200 a.
You have the following 2x2 table: Smokers Non-smokers Total Heart Disease 20 4 24 No Heart Disease 80 96 176 Total 100 100 200 a. The expected number of non-smokers who have heart disease, under the null hypothesis, is b. Based on the table above, the odds ratio for heart disease comparing smokers to non-smokers is c. Based on the table above, the relative risk of heart disease for smokers compared to non-smokers is d. what kind of test is appropriate for this data in order to see if the proportion of people with Heart Disease is the same in smokers and non- smokers? e. Suppose the test you chose in (e) gave you a two-sided p-value of .01. What can you conclude? (assume alpha=.05). Answer: we conclude that them (is/ is not) an association between smoking and heart disease
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