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The data were obtained from 12-18 years old living in households across the country. The teenagers responding to the survey were classified as Never Smoked (NS), Experimenter with smoking (EX), Former Smoker (FS) and current smoker (CS). The question they were asked was: Do your peers care about keeping their weight down? The table below summarizes the data:
NS
EX
FS
CS
A lot
6297
3613
187
2114
Somewhat
2882
1677
90
793
A little
1441
625
16
354
Not at all
1709
822
33
377
i. Why would a question be formed in terms of peer behavior rather than as a direct question to the person being interviewed?
ii. Based on the data, what is the proportion of teenagers who never smoked?
iii. What proportions of teenagers think their peers care a lot about keeping their weight down?
iv. What proportion for smoking teenagers think their peers care a lot about keeping their weight down?
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