Hypothesis Testing for Heart Risk Reduction Drug
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Background:
In a study conducted, researchers gave prescription X to 2,325 people and an inactive prescription to 2,081 people (avg age 58). After 5 years, 57 of the prescription X population had suffered a heart attack, compared to 97 for the inactive drug.
Need to answer the following:
1. Overall does lovastatin reduce the risk of heart attack?
2. State the appropriate hypothesis
3. Obtain a test statistic and p-value. Interpret the results at alpha = .01.
4. Is normality assured?
5. Is the difference large enough to be important?
6. What else would researchers need to know before prescribing this drug widely?
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Solution Summary
Excel and Word attachments test whether Iovastatin reduces the risk of a heart attack, including hypothesis, test statistics and normality assessment.
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