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The diameter of an oak tree trunk (y) depends on its age (x), height (x) and diameter of its crown (x3). The results of measurements are as follows: Trunk diameter, cm Age, years Height, m Crown diameter, m 6.3 9.8 1.1 7.7 10.2 3.1 9.8 12.7 1.6 12.4 13.9 2.1 14.8 15.2 4.6 3.7 5.6 6.3 4.0 17.5 18.2 18.9 22.7 21 37 35 36 42 46 44 41 45 15.3 16.8 16.5 16.9 Fit a multiple linear regression model using age, height and crown diameter as the regressors. What is the coefficient of x1 ? Round your final answer to three decimal places (e.g. 98.765).

The diameter of an oak tree trunk (y) depends on its age (x), height (x) and diameter of its crown (x3). The results of measurements are as follows: Trunk diameter, cm Age, years Height, m Crown diameter, m 6.3 9.8 1.1 7.7 10.2 3.1 9.8 12.7 1.6 12.4 13.9 2.1 14.8 15.2 4.6 3.7 5.6 6.3 4.0 17.5 18.2 18.9 22.7 21 37 35 36 42 46 44 41 45 15.3 16.8 16.5 16.9 Fit a multiple linear regression model using age, height and crown diameter as the regressors. What is the coefficient of x1 ? Round your final answer to three decimal places (e.g. 98.765).

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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What is the coefficient of x3?
The diameter of an oak tree trunk (y) depends on its age (x₂), height (x) and diameter of its crown (x3). The results of measurements are as follows: Trunk diameter, cm Age, years Height, m Crown diameter, m 6.3 21 9.8 1.1 7.7 37 10.2 3.1 9.8 35 12.7 1.6 12.4 36 13.9 14.8 15.2 17.5 18.2 18.9 22.7 42 46 44 41 45 15.3 16.8 16.5 16.9 2.1 4.6 3.7 5.6 6.3 4.0 Fit a multiple linear regression model using age, height and crown diameter as the regressors. What is the coefficient of x1 ? Round your final answer to three decimal places (e.g. 98.765).
Transcribed Image Text:The diameter of an oak tree trunk (y) depends on its age (x₂), height (x) and diameter of its crown (x3). The results of measurements are as follows: Trunk diameter, cm Age, years Height, m Crown diameter, m 6.3 21 9.8 1.1 7.7 37 10.2 3.1 9.8 35 12.7 1.6 12.4 36 13.9 14.8 15.2 17.5 18.2 18.9 22.7 42 46 44 41 45 15.3 16.8 16.5 16.9 2.1 4.6 3.7 5.6 6.3 4.0 Fit a multiple linear regression model using age, height and crown diameter as the regressors. What is the coefficient of x1 ? Round your final answer to three decimal places (e.g. 98.765).
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