Question: Exercise 13 141 described the experiment that determined that taking aspirin
Exercise 13.141 described the experiment that determined that taking aspirin daily reduces one’s probability of suffering a heart attack. The study was conducted in 1982 and at that time the mean age of the physicians was 50. In the years following the experiment the physicians were monitored for other medical conditions. One of these was the incidence of cataracts. There were 1,084 cataracts in the aspirin group and 997 in the placebo group. Do these statistics allow researchers to conclude that aspirin leads to more cataracts?
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