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

(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?

Transcribed Image Text:

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