Table 3.
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 |
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 |