Table 4: ANOVA table for experimental corrosion rate (mm/yr).
Source |
Sum of Squares |
DF |
Contribution (%) |
Adj. SS |
Adj. MS |
F-value |
P-value |
Model |
1.03863 |
3 |
72.95 |
1.03863 |
0.34621 |
9.89 |
0.002 |
X |
0.74133 |
1 |
52.07 |
0.75103 |
0.75103 |
21.45 |
0.001 |
Y |
0.20904 |
1 |
14.68 |
0.20109 |
0.20109 |
5.74 |
0.035 |
Y2
|
0.08826 |
1 |
6.20 |
0.08826 |
0.08826 |
2.52 |
0.141 |
Error |
0.38511 |
11 |
27.05 |
0.38511 |
0.03501 |
- |
- |
Total |
1.42373 |
14 |
100.00 |
- |
- |
- |
- |
R2 = 72.95 %, Adjusted R2 = 65.57 %
Where DF = Degree of freedom, Adj SS = Adjusted Sum of Squares, Adj MS = Adjusted Mean Squares