Table 5.
CCD matrix of four variables (in coded and actual units) with observed and predicted response values.
| Temperature (°C) (A) | Tryptone (%) (B) | Inoculum size (%) (C) | Incubation time (hrs) (D) | Lipase activity (U/ml) | |
|---|---|---|---|---|---|
| Observed value | Predicted value | ||||
| 1 | -1 | 1 | 1 | 10.0 | 9.6479 |
| 0 | 0 | 0 | 0 | 31.31 | 31.45143 |
| 1 | 1 | 1 | 1 | 8.98 | 13.35375 |
| 0 | 0 | 0 | 0 | 31.78 | 31.45143 |
| -1 | 1 | 1 | 1 | 6.08 | 11.17958 |
| 1 | -1 | -1 | -1 | 15.0 | 16.51792 |
| 1 | 1 | -1 | -1 | 15.56 | 19.47875 |
| -1 | -1 | -1 | 1 | 8.98 | 8.679583 |
| 0 | 0 | 0 | -2 | 50.12 | 41.26667 |
| 0 | 0 | 0 | 2 | 10.0 | 6.203333 |
| -2 | 0 | 0 | 0 | 33.01 | 26.42333 |
| 0 | 0 | 2 | 0 | 26.12 | 18.68167 |
| 1 | -1 | -1 | 1 | 9.88 | 10.94875 |
| 0 | 2 | 0 | 0 | 35.32 | 21.40333 |
| -1 | 1 | -1 | 1 | 6.09 | 9.560417 |
| 1 | 1 | -1 | 1 | 8.71 | 13.47958 |
| 0 | -2 | 0 | 0 | 15.12 | 16.38667 |
| 0 | 0 | 0 | 0 | 32.01 | 31.45143 |
| -1 | -1 | 1 | 1 | 7.01 | 9.12375 |
| -1 | 1 | 1 | -1 | 35.71 | 40.67375 |
| -1 | -1 | -1 | -1 | 34.51 | 36.16875 |
| 0 | 0 | 0 | 0 | 30.9 | 31.45143 |
| 2 | 0 | 0 | 0 | 15.01 | 8.946667 |
| -1 | -1 | 1 | -1 | 36.34 | 38.18792 |
| -1 | 1 | -1 | -1 | 30.51 | 37.47958 |
| 1 | 1 | 1 | -1 | 14.01 | 20.92792 |
| 1 | -1 | 1 | -1 | 14.23 | 16.79208 |
| 0 | 0 | -2 | 0 | 22.0 | 16.78833 |
| 0 | 0 | 0 | 0 | 31.29 | 31.45143 |
| 0 | 0 | 0 | 0 | 31.98 | 31.45143 |
| 0 | 0 | 0 | 0 | 30.89 | 31.45143 |