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For a group of 10 army recruits, the weight (in lbs) and exercise capacity (in M

ID: 3200063 • Letter: F

Question

For a group of 10 army recruits, the weight (in lbs) and exercise capacity (in METS) were recorded. The regression equation to predict exercise capacity from weight was found to be: y = 43.81 - 0.105x Interpret the slope of the regression equation developed to predict exercise capacity from weight. For each additional 0.105 MET of exercise capacity, the weight decreases by one pound. For each additional pound of weight, the exercise capacity decreases by 0.105 METS on average. For each additional pound of weight, the exercise capacity increases by 43.81 METS on average. For each additional pound of weight, the exercise capacity decreases by 10.5%.

Explanation / Answer

The regression equation is

y=43.81 -0.105x

whre y is weight and x is Exercise capacity

from the regression model

slope is -1.105

Hence we conclude that for each additional pound of weight, the exercise capacity decreases by 0.105 METS on average

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