The equation used to predict the total body weight (in pounds) of a female athle

Question

The equation used to predict the total body weight (in pounds) of a female athlete at a certain school is y(hat) = - 125 +3.47 x1 +1.46 x2 where x1 is the female athletes height in inches and x2 is the female athletes percent body fat, measured as x2%. Use the multiple regression equation to predict the total body weight for a female athlete who is 64 inches tall and has 29% body fat. The predicted total bady weight for a female athlete who is 64 inches tall and has 29% body fat is ____pounds.(round to the nearest tenth as needed)

Explanation / Answer

Solution:-

y(hat) = - 125 + 3.47 x1 + 1.46 x2

y(hat) = - 125 + (3.47*64) + (1.46*29)

y(hat) = 139.42

The predicted total body weight for the female athlete who is 64 inches talland has 29% body fat is 139.4 pounds.

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