Question: The StudentSurvey dataset includes variables on gender and on whether or not the student smokes. Who smokes more: males or females? Table 2.9 shows a

The StudentSurvey dataset includes variables on gender and on whether or not the student smokes. Who smokes more: males or females? Table 2.9 shows a two-way table of these two variables.

Table 2.9

Female 153 16 Total 319 43 Male Don't smoke Smoke 166 27 Total 169 362 193

(a) Which gender has a higher percentage of smokers: males or females?
(b) What is the proportion of smokers for the entire sample?
(c) What proportion of the smokers in the sample are female?

Female 153 16 Total 319 43 Male Don't smoke Smoke 166 27 Total 169 362 193

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