Smokers dont live as long on the average as nonsmokers and, Ask an Expert

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Smokers don't live as long (on the average) as nonsmokers, and heavy smokers don't live as long as light smokers. You regress the age at death of a group of male smokers on the number of packs per day they smoked. The slope of your regression line

(a) will be greater than 0.

(b) will be less than 0.

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Statistics and Probability, Statistics

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