Consider again the regression of Nicotine content on Tar (both in milligrams) for the cigarettes examined in
Question:
a) What is the correlation between Tar and Nicotine?
b) What would you predict about the average Nicotine content of cigarettes that are 2 standard deviations below average in Tar content?
c) If a cigarette is 1 standard deviation above average in Nicotine content, what do you suspect is true about its Tar content?
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a The correlation between tar and nicotine is r R 2 0924 0961 The ...View the full answer
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Related Book For 
Stats Data and Models
ISBN: 978-0321986498
4th edition
Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock
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