[See Steps] Does lovastatin (a cholesterol lowering drug) reduce the risk of heart attack? In a Texas study, researchers gave lovastatin to 2,325 people
Question: Does lovastatin ( a cholesterol lowering drug) reduce the risk of heart attack? In a Texas study, researchers gave lovastatin to 2,325 people and an inactive substitute to 2,081 people (average age 58) After 5 years, 57 of the lovastatin group had suffered a heart attack, compared with 97 for the inactive pill. (a) state the hypothesis (b) Obtain a test statistic and p –value. Interpret the results at α=.01 (c) is normality assured? (d) Is the difference large enough to be important? (e) What else would medical researchers need to know before prescribing this drug widely?
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