..ooo T-Mobile 6:40 PM a mathxl.com Statistics for Decision-Making Jason Worthen

Question

..ooo T-Mobile 6:40 PM a mathxl.com Statistics for Decision-Making Jason Worthen 1 1/12/18 5:40 PM Homework: Week 2 Homework 40 pts Save Score: 0 of 2 pts 15 of 15 (15 complete) Hw Score: 84.17%, 33.67 of 40 pts 9.4.3 Question Help * The equation used to predict the total body weight (in pounds) of a female athlete at a certain school is y·-114 + 2.94x1 + 1.44x2, where x, is the female athlete's height (in inches) and x2 is the female athlete's percent body fat, measured as x2%. Use the multiple regression equation to predict the total body weight for a female athlete who is 66 inches tall and has 30% body fat. The predicted total body weight for a female athlete who is 66 inches tall and has 30% body fat is pounds. (Round to the nearest tenth as needed.)

Explanation / Answer

Here the multiple regreassion model given is

y^ = -114+ 2.94x1 + 1.44x2

So here

X1 =66 inches

X2 = 30%

Putting value in the equation we get the predicted value of yotal body weight is

y^ = -114 + 2.94 * 66 + 1.44 *30 = 123.24 pounds

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