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What is the expected weight of an $80 \mathrm{~cm}$ tall chimpanzee?

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In a study of a possible correlation between the height in $\operatorname{cm}(X)$ and weight in $\mathrm{kg}$ $(Y)$ of chimpanzees, a sample of 40 animals produces a correlation coefficient of $r=+0.813$ and a regression line with equation $\hat{Y}=0.34 X+19.5 .$ What is the expected weight of an $80 \mathrm{~cm}$ tall chimpanzee?
in Data Science & Statistics by Platinum (102k points) | 368 views

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