Table 5 ANOVA for response surface quadratic model
Source | Sum of Squares | df | Mean Square | F Value | p value Prob > F | |
|---|---|---|---|---|---|---|
Model | 502.13 | 5 | 100.43 | 10.97 | 0.0003 | Significant |
A-Particle size | 3.48 | 1 | 3.48 | 0.38 | 0.0069 | |
B-Agitation rate | 12.1 | 1 | 12.1 | 1.32 | 0.008 | |
AB | 1.24 | 1 | 1.24 | 0.14 | 0.724 | |
A2 | 338.45 | 1 | 338.45 | 36.98 | 0.005 | |
B2 | 207.77 | 1 | 207.77 | 22.7 | 0.002 | |
Residual | 64.07 | 7 | 9.15 | |||
Lack of Fit | 56.97 | 3 | 18.99 | 10.7 | 0.22 | Non-significant |
Pure error | 7.1 | 4 | 1.78 | |||
Cor total | 566.2 | 12 | ||||
Std. Dev. | 3.03 | R2 | 0.888 | |||
Mean | 78.61 | Adj R2 | 0.806 | |||
C.V. % | 3.85 | Pred R2 | 0.869 | |||
Press | 416.24 | Adeq precision | 7.241 | |||