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 =-117 + 353 1 + 134x2 where x's the female athlete's height (in inches and x2 is the female athlete's percent body fat, measured as x296. Use the multiple regression equation to predict the total body weight for a female athlete who is 61 inches tall and has 23% body fat. The predicted total body weight for a female athlete who is 61 inches tall and has 23% body fat is pour Round to the nearest tenth as needed.

Explanation / Answer

y = -117 + 3.53 x1 + 1.34 x2

x1 = 61

x2 = 23

y = -117 + 3.53 * 61 + 1.34 * 23 = 129.15 pounds = 129.2 pounds

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