International Journal of Interdisciplinary Research
Table 3 Experimental design based on coded levels
Sample no. | Time | Enzyme conc. | Mechanical agitation |
|---|---|---|---|
E1 | − 1 | − 1 | 0 |
E2 | 1 | − 1 | 0 |
E3 | − 1 | 1 | 0 |
E4 | 1 | 1 | 0 |
E5 | − 1 | 0 | − 1 |
E6 | 1 | 0 | − 1 |
E7 | − 1 | 0 | 1 |
E8 | 1 | 0 | 1 |
E9 | 0 | − 1 | − 1 |
E10 | 0 | 1 | − 1 |
E11 | 0 | − 1 | 1 |
E12 | 0 | 1 | 1 |
E13 | 0 | 0 | 0 |
E14 | 0 | 0 | 0 |
E15 | 0 | 0 | 0 |