19. Teen smoking, part II. Consider again the Vermontstudy
Chapter 22, Problem 19(choose chapter or problem)
19. Teen smoking, part II. Consider again the Vermontstudy discussed in Exercise 17.a) Create a 95% confidence interval for the difference inthe proportion of children who may smoke and haveapproving parents and those who may smoke andhave disapproving parents.b) Interpret your interval in this context.c) Carefully explain what 95% confidence means.
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