| Source |
DF |
Sum of squares |
Mean square |
F value |
Prob. > F |
| Model |
14 |
59.13438 |
4.223884 |
14.37258 |
0.00011* |
| X1 |
1 |
21.62202 |
21.62202 |
73.57306 |
0.00012* |
| X2 |
1 |
0.00375 |
0.00375 |
0.01276 |
0.911467 |
| X3 |
1 |
7.843267 |
7.843267 |
26.68822 |
0.00013* |
| X4 |
1 |
0.6936 |
0.6936 |
2.360107 |
0.144012 |
| X12 |
1 |
20.5434 |
20.5434 |
69.90286 |
0.00014* |
| X1X2 |
1 |
0.225625 |
0.225625 |
0.767732 |
0.393884 |
| X1X3 |
1 |
0.140625 |
0.140625 |
0.478504 |
0.499017 |
| X1X4 |
1 |
0.378225 |
0.378225 |
1.286983 |
0.273316 |
| X22 |
1 |
3.580251 |
3.580251 |
12.18249 |
0.0030255* |
| X2X3 |
1 |
1.3924 |
1.3924 |
4.737908 |
0.0448266* |
| X2X4 |
1 |
0.3364 |
0.3364 |
1.144666 |
0.300544 |
| X32 |
1 |
4.577362 |
4.577362 |
15.57535 |
0.0011557* |
| X3X4 |
1 |
0.1936 |
0.1936 |
0.658761 |
0.428908 |
| X42 |
1 |
3.656541 |
3.656541 |
12.44208 |
0.0027978* |
| Error |
16 |
4.70216 |
0.293885 |
|
|
| Lack of fit |
10 |
4.670617 |
0.467062 |
88.84325 |
0.0001 |
| Pure Error |
6 |
0.031543 |
0.005257 |
|
|
| Total |
30 |
63.83654 |
|
|
|
| R-square=92.63% Adj. R-square=86.19% CV=6.518797 |
|
