Table 5.
Level and code of factors chosen for experiment.
| Level | Factors | ||
|---|---|---|---|
| Microwave Power (W) | Extract Time (min) | Extract Temper (°C) | |
| −1 | 300 | 30 | 40 |
| 0 | 500 | 40 | 50 |
| 1 | 700 | 50 | 60 |
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