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

Question

The equation used to predict the total body weight of in pounds of of a female athlete is y(hat) =-125 +3.34x1+2.29x2, where x 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 to predict the total body weight for a female athlete who is 67 inches tall and has 18% bodyfat. The predicted total body body weight for a female athlete who is 67 inches talland has 18% body fat is ____pounds.round to nearest tenth.

Explanation / Answer

y(hat) =-125 +3.34x1+2.29x2

it is given that x1 is 67 and x2 is 18. plugging these values in the given equation gives us:

y(hat)=-125+3.34*67+2.29*18= 140

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