# We have data on the lean body mass and resting metabolic rate for 12 women who are subjects in a study of dieting. Lean body mass, given in kilograms, is a person's weight leaving out all fat. Metabolic rate, in calories burned per 24 hours, is the rate at which the body consumes energy. Mass 36.1 Rate 995 1425 1396 1418 1502 1256 1189 913 1124 1052 1347 1204 54.6 48.5 42.0 50.6 42.0 40.3 33.1 42.4 34.5 51.1 41.2 Use your calculator to make a scatterplot that shows how metabolic rate depends on body mass. There is a quite strong linear relationship, with correlation r = 0.876. Choose the correct graph: Scatterplot I Scatterplot II 1500 1500 1400 1400 1300 - 1300 1200 - 1200 1100 1100 1000 1000 900 900 30 40 50 60 30 40 50 60 Lean body mass (kg) Lean body mass (kg) Scatterplot II Scatterplot IV 1500 1500 1400 1400 1300 1300 - 1200 1200 - 1100 - 1100 1000 1000 900 900 30 40 50 60 30 40 50 60 Lean body mass (kg) Lean body mass (kg) Scatterplot IV. Scatterplot II. Scatterplot II. Scatterplot I. Find the least-squares regression line for predicting metabolic rate from body mass. Add this line to your scatterplot. Choose the correct equation for the least-square regression line: = 201.7 + 24.014x 55.325 + 27.415x Metabolic rate (cal/24 hr) Metabolic fate (cal/24 hr) Metabolic rate (cal/24 hr) Metabolic rate (cal 24 hr)

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### Regression Analysis

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We have data on the lean body mass and resting metabolic rate for 12 women who are subjects in a study of dieting. Lean body mass, given in kilograms, is a person's weight leaving out all fat. Metabolic rate, in calories burned per 24 hours, is the rate at which the body consumes energy. Mass 36.1 Rate 995 1425 1396 1418 1502 1256 1189 913 1124 1052 1347 1204 54.6 48.5 42.0 50.6 42.0 40.3 33.1 42.4 34.5 51.1 41.2 Use your calculator to make a scatterplot that shows how metabolic rate depends on body mass. There is a quite strong linear relationship, with correlation r = 0.876. Choose the correct graph: Scatterplot I Scatterplot II 1500 1500 1400 1400 1300 - 1300 1200 - 1200 1100 1100 1000 1000 900 900 30 40 50 60 30 40 50 60 Lean body mass (kg) Lean body mass (kg) Scatterplot II Scatterplot IV 1500 1500 1400 1400 1300 1300 - 1200 1200 - 1100 - 1100 1000 1000 900 900 30 40 50 60 30 40 50 60 Lean body mass (kg) Lean body mass (kg) Scatterplot IV. Scatterplot II. Scatterplot II. Scatterplot I. Find the least-squares regression line for predicting metabolic rate from body mass. Add this line to your scatterplot. Choose the correct equation for the least-square regression line: = 201.7 + 24.014x 55.325 + 27.415x Metabolic rate (cal/24 hr) Metabolic fate (cal/24 hr) Metabolic rate (cal/24 hr) Metabolic rate (cal 24 hr)