Group of male smokers on number of packs

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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.

(c) Can't tell without seeing the data.

Reference no: EM131031116

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