| Source |
Sum of squares |
Degree offreedom |
Mean square |
F-value |
Prob> F |
Remarks |
| Model |
154.77 |
9 |
17.2 |
6.08 |
0.0047 |
Significant |
| A |
16.26 |
1 |
16.26 |
5.75 |
0.0375 |
|
| B |
0.18 |
1 |
0.18 |
0.062 |
0.808 |
|
| C |
82.02 |
1 |
82.02 |
28.99 |
0.0003 |
|
| A2 |
7.75 |
1 |
7.75 |
2.74 |
0.1289 |
|
| B2 |
15.28 |
1 |
15.28 |
5.4 |
0.0425 |
|
| C2 |
21.92 |
1 |
21.92 |
7.75 |
0.0193 |
|
| AB |
1.83 |
1 |
1.83 |
0.65 |
0.4399 |
|
| AC |
4.16 |
1 |
4.16 |
1.47 |
0.2533 |
|
| BC |
13.57 |
1 |
13.57 |
4.8 |
0.0533 |
|
| Residual |
28.29 |
10 |
2.83 |
|
|
|
| Lack of Fit |
23.01 |
5 |
4.6 |
4.35 |
0.0661 |
Not significant |
| Pure Error |
5.28 |
5 |
1.06 |
|
|
|
| Cor Total |
183.06 |
19 |
|
|
|
|
|
| Std. Dev.=1.68,R-Squared=0.8455,Mean=93.52,Adj R-Squared=0.7064,C.V.=1.80,Pred R |
| Table 3b: Analysis of variance for response surface reduced quadratic model terms. |
