Mathematics, 22.02.2020 05:30 daniellecraig77
The correlation between the height and weight of children aged 6 to 9 is found to be about r = 0.8. Suppose we use the height x of a child to predict the weight y of the child. We conclude
A. the least-squares regression line of y on x would have a slope of 0.8.B. about 80% of the time, age will accurately predict weight. C.height is generally 80% of a child's weight. D.the fraction of variation in weights explained by the least-squares regression line of weight on height is 0.64.
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The correlation between the height and weight of children aged 6 to 9 is found to be about r = 0.8....
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