Lean body mass your weight leaving out fat helps predict, Ask an Expert

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Lean body mass (your weight leaving out fat) helps predict metabolic rate (how many calories of energy you burn in an hour). The relationship is roughly a straight line. The least-squares regression line for predicting metabolic rate (y in calories) from lean body mass (x in kilograms) is y = 113.2 + 26.9x.

The slope of the regression line is

A. 113.2-that is, the mean metabolic rate is 113.2 calories per hour.
B. 26.9-that is, the mean metabolic rate is 26.9 calories per hour.
C. 26.9-that is, when a person weighs 26.9 more kg, metabolic rate goes up by 1 calorie.
D. 26.9-that is, when lean body mass goes up by 1 kg, metabolic rate goes up by 26.9 calories.
E. 113.2-that is, when x = 0, y = 113.2.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9102100

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