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QUESTION 28 12 points Save Answer A health research institute collects information from 20 individuals on the number of years they have spent smoking cigarettes,

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QUESTION 28 12 points Save Answer A health research institute collects information from 20 individuals on the number of years they have spent smoking cigarettes, and their age of death. The data is summarized below: Ex = 1257 Ey2 = 836 Ex2 = 98823 Zy = 116 E(xy) = 8249 Find the correlation coefficient (r)

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