Table 5. ANOVA for a Reduced BT Quadratic Model.
| Source | Sum of Squares | d f | Mean Square | F-value | p-value | |
|---|---|---|---|---|---|---|
| Model | 4951.41 | 8 | 618.93 | 36.57 | <0.0001 | significant |
| X2-PTA | 263.20 | 1 | 263.20 | 15.55 | 0.0010 | significant |
| X3-Agitation Speed | 134.00 | 1 | 134.00 | 7.92 | 0.0115 | significant |
| X4-Temperature | 2468.20 | 1 | 2468.20 | 145.85 | <0.0001 | significant |
| X1 X2 | 204.49 | 1 | 204.49 | 12.08 | 0.0027 | significant |
| X1 X3 | 1040.06 | 1 | 1040.06 | 61.46 | <0.0001 | significant |
| X1 X4 | 133.40 | 1 | 133.40 | 7.88 | 0.0116 | significant |
| X2 X4 | 295.84 | 1 | 295.84 | 17.48 | 0.0006 | significant |
| X12 | 412.21 | 1 | 412.21 | 24.36 | 0.0001 | significant |
| Residual | 304.61 | 18 | 16.92 | |||
| Lack of Fit | 275.73 | 16 | 17.23 | 1.19 | 0.5493 | not significant |
| Pure Error | 28.88 | 2 | 14.44 | |||
| Cor Total | 5256.03 | 26 |