(1) Write out the regression equation (2) What is the sample size used in this investigation? (3) Determine the values of *, ** and ***, ****
(1) Write out the regression equation (2) What is the sample size used in this investigation? (3) Determine the values of *, ** and ***, ****
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
(1) Write out the regression equation
(2) What is the
(3) Determine the values of *, ** and ***, ****

Transcribed Image Text:The President of the Farmers Association wants to know how the amount of fertilizer and the
amount of water given to plants affect their growth. The results were inputted into MINITAB
so as to fit the model.
Regression Analysis: Growth versus Water, Fertilizer
The regression equation is
Growth = ß + $ Water + aFertilizer
Predictor
Сoef
SE Coef
T
P
Constant
42.085
3.118
0.009
**
Water
0.178
0.386
0.460
0.654
Fertilizer
5.790
0.952
6.083
6.159
R-Sq
77.1%%
R-Sq (adj)
= 73.3%
Analysis of Variance
Source
DF
MS
F
P
Regression
Residual Error
2
1532.603
766.301
***
****
12
455.130
37.928
Total
14
1987.733
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