| Source |
Degree of freedom (DF) |
Sum of squares (SS) |
Mean of squares (MS) |
Statistics |
P-valuea |
| Model |
8 |
27.1240 |
3.39049 |
258.39 |
0.000 |
| Linear |
3 |
12.0295 |
4.00984 |
305.59 |
0.000 |
| Square |
2 |
5.8410 |
2.92049 |
222.57 |
0.000 |
| Interaction |
3 |
9.2534 |
3.08448 |
235.07 |
0.000 |
| Residual error |
11 |
0.1443 |
0.01312 |
|
|
| Lack of fit |
6 |
0.1015 |
0.01692 |
1.98 |
0.236 |
| Pure error |
5 |
0.0428 |
0.00856 |
|
|
| Total |
19 |
27.2683 |
- |
- |
|
aSignificant at P<0.05 |
