In a study that was highly publicized, doctors discovered that aspirin seems to help prevent heart attacks.

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In a study that was highly publicized, doctors discovered that aspirin seems to help prevent heart attacks. The research project, which was scheduled to last for 5 years, involved 22,000 American physicians (all male). Half took an aspirin tablet three times per week, and the other half took a placebo on the same schedule. The researchers tracked all of the volunteers and updated the records regularly. Among the physicians who took aspirin, 104 suffered heart attacks; 189 physicians who took the placebo had heart attacks.

a. Determine whether these results indicate that aspirin is effective in reducing the incidence of heart attacks.

b. Write a report that describes the results of this experiment.

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Statistics For Management And Economics

ISBN: 9781133420774

9th Edition

Authors: Gerald Keller, Kenneth C Louden

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