11.13 Cigarettes and marijuana The table on the following page refers to a survey2 in which senior high school students in Dayton, Ohio, were randomly sampled. It cross-tabulates whether a student had ever smoked cigarettes and whether a student had ever used marijuana. Analyze these data by

(a) finding and interpreting conditional distributions with marijuana use as the response variable and

(b) reporting all five steps of the chi-squared test of independence.

Transcribed Image Text:

Cigarettes Marijuana Yes No Yes 914 581 No 46 735