Question: Question 9 A classic British study on smoking and mortality investigated the effect of smoking on coronary death rates (measured as deaths per 100,000 person-years).

Question 9

A classic British study on smoking and mortality investigated the effect of smoking on coronary death rates (measured as deaths per 100,000 person-years). Assume the data have been arranged in a data frame with variablesperson.years,deaths,age.groupandsmokers.

person.years deaths smokers age.group 18793 2 No 35-44 2 52407 32 Yes 35-44 10673 12 No 45-54 CO YOU A 43248 104 Yes 45-54 5710 28 No 55-64 28612 206 Yes 55-64 2585 28 No 65-74 12663 186 Yes 65-74 1462 31 No 75-84 10 5317 102 Yes 75-84\f

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