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 =- 120 + 3.08 x (1) + 2.25 x (2) where x1is the female athlete's height (in inches) and x2 is the female athlete's percent body fat. Use the multiple regression equation to predict the total body weight for a female athlete who is 69 inches tall and has 30% body fat.

The predicted total body weight for a female athlete who is 69 inches tall and has 30% body fat is how many pounds. (Round to the nearest tenth as needed.)

Explanation / Answer

y =- 120 + 3.08 x (1) + 2.25 x (2)

Then as x1 = 69, x2 = 30, then

y = -120 + 3.08*69 + 2.25*30

y = 160.02 = 160.0 [ANSWER]

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