Table 3.
32 full factorial design.
| Formulation no. | Coded levels | |
|---|---|---|
| Variable 1 | Variable 2 | |
| F10 | −1 | −1 |
| F11 | −1 | 0 |
| F12 | −1 | +1 |
| F13 | 0 | −1 |
| F14 | 0 | 0 |
| F15 | 0 | +1 |
| F16 | +1 | −1 |
| F17 | +1 | 0 |
| F18 | +1 | +1 |
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