The following Minitab display gives information regarding the relationship between the body weight of a child (in kilogramS) and the metabolic rate of the child (in 100 kcal/ 24 hr). Predictor Сoef SE Coef T P Constant 0.8489 0.4148 2.06 0.84 Weight 0.39647 0.02978 13.52 0.000 S = 0.517508 R-Sq = 97.4% (a) Write out the least-squares equation. (b) For each 1 kilogram increase in weight, how much does the metabolic rate of a child increase? (Use 5 decimal places.) (c) What is the value of the correlation coefficient r? (Use 3 decimal places.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2AGP
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The following Minitab display gives information regarding the relationship between the body weight of a child (in kilogramS) and the metabolic rate of the child (in 100 kcal/ 24 hr).
Predictor
Сoef
SE Coef
T
P
Constant
0.8489
0.4148
2.06
0.84
Weight
0.39647
0.02978
13.52
0.000
S = 0.517508
R-Sq = 97.4%
(a) Write out the least-squares equation.
(b) For each 1 kilogram increase in weight, how much does the metabolic rate of a child increase? (Use 5 decimal places.)
(c) What is the value of the correlation coefficient r? (Use 3 decimal places.)
Transcribed Image Text:The following Minitab display gives information regarding the relationship between the body weight of a child (in kilogramS) and the metabolic rate of the child (in 100 kcal/ 24 hr). Predictor Сoef SE Coef T P Constant 0.8489 0.4148 2.06 0.84 Weight 0.39647 0.02978 13.52 0.000 S = 0.517508 R-Sq = 97.4% (a) Write out the least-squares equation. (b) For each 1 kilogram increase in weight, how much does the metabolic rate of a child increase? (Use 5 decimal places.) (c) What is the value of the correlation coefficient r? (Use 3 decimal places.)
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