l Verizon 12:55 PM i webwork.pcc.edu Scatterplo Problem 21 and Linear Previous P
ID: 3065458 • Letter: L
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l Verizon 12:55 PM i webwork.pcc.edu Scatterplo Problem 21 and Linear Previous Problem Problem List Next Problem Prob 21 Results for this submission User Settings Grades Entered Answer Preview Result 19.29 x+2048.3 -19.29x 2048.3 The answer above is NOT correct (1 point) 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 Problem 1 Problem 2 Mass 50.3 43.5 49.1 49.6 42.5 42.4 49.3 50.5 39.8 47.6 47.5 36.3 Rate 1150 1280 1420 990 1370 1010 920 970 13101120 1070 1 Problem 3 Find the least-squares regression line for predicting metabolic rate from body mass Problem 4 Problem 5 19.29x+2048.3 Problem 6 Preview My Answers Submit Answers Problem 7 Your score was recorded. You have attempted this problem 3 times. You received a score of 0% for this attempt. Your overall recorded score is 096. You have unlimited attempts remaining. Problem 8 Problem 9 10 Show Past Answers 12 Email instructor 15 16 17Explanation / Answer
Following is the output of regression analysis generated by excel:
The regression equation is
y' = -26.51 +2387.48*x
SUMMARY OUTPUT Regression Statistics Multiple R 0.63664548 R Square 0.405317467 Adjusted R Square 0.345849214 Standard Error 157.3030343 Observations 12 ANOVA df SS MS F Significance F Regression 1 168649.2206 168649.2206 6.81569485 0.02601004 Residual 10 247442.4461 24744.24461 Total 11 416091.6667 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept 2387.477631 466.3252803 5.119768823 0.00045084 1348.440161 3426.515102 Mass, X -26.51300433 10.15555994 -2.610688578 0.02601004 -49.1410019 -3.885006768Related Questions
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