Does lovastatin reduce the risk of heart attack

Reference no: EM13101804

Does lovastatin (a cholesterol-lowing 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 appropriate hypothesis.

(b) Obtain a test statistic and p-value. Interpret the results at α = .01.

(d) Is the difference large enough to be important?

(e) What else would medical researchers need to know before prescribing this drug widely? (Data are from Science News 153 [May 30, 1998], p343)

Reference no: EM13101804

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