How does the average height for boys change as boys get older? According to the Physician's Handbook, the average heights at different ages are as follows: Age (Years) 0.5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Height (Inches) 26 29 33 36 39 42 45 47 50 52 54 56 58 60 62 (a) Write the simple linear regression equation for the line that best describes this data. (b) What is the value of r2?
How does the average height for boys change as boys get older? According to the Physician's Handbook, the average heights at different ages are as follows: Age (Years) 0.5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Height (Inches) 26 29 33 36 39 42 45 47 50 52 54 56 58 60 62 (a) Write the simple linear regression equation for the line that best describes this data. (b) What is the value of r2?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 43SGR
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How does the average height for boys change as boys get older? According to the Physician's Handbook, the average heights at different ages are as follows:
| Age (Years) |
0.5 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| Height (Inches) |
26 | 29 | 33 | 36 | 39 | 42 | 45 | 47 | 50 | 52 | 54 | 56 | 58 | 60 | 62 |
(a) Write the simple linear regression equation for the line that best describes this data.
(b) What is the value of r2?
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What is the expected average height of 8 year old boys, using the regression equation?
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