|
| Table 5. ANOVA for the first factorial design. |
|
Source of variation |
Sum of square |
Degrees of freedom |
Mean square |
F-ratio (model significance) |
|
Regression |
45.53 |
8 |
5.69 |
7.06a |
|
Residual |
6.45 |
8 |
0.81 |
|
|
Lack of fit |
6.44 |
6 |
1.07 |
|
|
Pure error |
0.002 |
2 |
0.001 |
|
|
Total |
51.97 |
16 |
|
|
Determination coefficient: R2 = 0.85; F0.95,8,8 = 3.44. |
|
|