Another cigarette. Consider again the regression
Chapter 8, Problem 29(choose chapter or problem)
Another cigarette. Consider again the regression ofNicotine content on Tar (both in milligrams) for the ciga-rettes examined in Exercise 27.a) What is the correlation between Tar and Nicotine?b) What would you predict about the average Nicotinecontent of cigarettes that are 2 standard deviations be-low average in Tar content?c) If a cigarette is 1 standard deviation above average inNicotine content, what do you suspect is true about itsTar content?
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