Type the regression equation for “Area” and “Biomass” in context into your document.   Interpret the slope of the regression line (in context of this data set) for “Area” and “Biomass”. is it meaningful to interpret the y-intercept for “Area” and “Biomass”? Why or why not?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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  1. Type the regression equation for “Area” and “Biomass” in context into your document. 

  2.  Interpret the slope of the regression line (in context of this data set) for “Area” and “Biomass”.

  3. is it meaningful to interpret the y-intercept for “Area” and “Biomass”? Why or why not?

Simple linear regression results:
Dependent Variable: Biomass
Independent Variable: Area
Biomass = 111.02418 + 1.9367237 Area
Sample size: 29
R (correlation coefficient) = 0.63737458
R-sq = 0.40624635
%3D
%3D
Estimate of error standard deviation: 50.521904
Parameter estimates:
Parameter Estimate
Std. Err.
Alternative DF
T-Stat
P-value
Intercept
111.02418
74.677023
27 1.4867248
0.1487
Slope
1.9367237 0.45060312
27 4.2980699
0.0002
Analysis of variance table for regression model:
Source DF
SS
MS
F-stat
P-value
Model
1 47152.678 47152.678 18.473405
0.0002
Error
27 68916.495 2552.4628
Total
28 116069.17
Transcribed Image Text:Simple linear regression results: Dependent Variable: Biomass Independent Variable: Area Biomass = 111.02418 + 1.9367237 Area Sample size: 29 R (correlation coefficient) = 0.63737458 R-sq = 0.40624635 %3D %3D Estimate of error standard deviation: 50.521904 Parameter estimates: Parameter Estimate Std. Err. Alternative DF T-Stat P-value Intercept 111.02418 74.677023 27 1.4867248 0.1487 Slope 1.9367237 0.45060312 27 4.2980699 0.0002 Analysis of variance table for regression model: Source DF SS MS F-stat P-value Model 1 47152.678 47152.678 18.473405 0.0002 Error 27 68916.495 2552.4628 Total 28 116069.17
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