(i) what would be the growth of the plant if 4g of fertilizer and 7g of water was given to it daily (ii) carry out an f test at the 1% significance level to determine whether the model is significant

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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(i) what would be the growth of the plant if 4g of fertilizer and 7g of water was given to it daily (ii) carry out an f test at the 1% significance level to determine whether the model is significant
6:15
ll LTE
Done
Retake
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 - B + + Water + aFertilizer
Predictor
Constant
Coef
42.085
0.178
5.790
SE Coef
T
P
**
3.118
0.009
0.654
Water
0.386
0.952
0.460
6.083
Fertilizer
S - 6.159
R-Sq - 77.188
R-Sq (adj) - 73.3%
Analysis of Variance
Source
Regression
Residual Error
Total
DF
MS
F
P
2
12
14 1987,733
1532.603 766.301
455.130
***
****
37.928
Transcribed Image Text:6:15 ll LTE Done Retake 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 - B + + Water + aFertilizer Predictor Constant Coef 42.085 0.178 5.790 SE Coef T P ** 3.118 0.009 0.654 Water 0.386 0.952 0.460 6.083 Fertilizer S - 6.159 R-Sq - 77.188 R-Sq (adj) - 73.3% Analysis of Variance Source Regression Residual Error Total DF MS F P 2 12 14 1987,733 1532.603 766.301 455.130 *** **** 37.928
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