Table 2 Coded levels for Box Behnken design.
Factor | Name | Units | Type | Minimum | Maximum | Coded Low | Coded High | Mean |
|---|---|---|---|---|---|---|---|---|
A | Moisture Content | % | Numeric | 55.00 | 95.00 | −1 ↔ 55.00 | + 1 ↔ 95.00 | 75.00 |
B | Needle Penetration Depth | mm | Numeric | 20.00 | 30.00 | −1 ↔ 20.00 | + 1 ↔ 30.00 | 25.00 |
C | Crank Speed | RPM | Numeric | 33.00 | 43.00 | −1 ↔ 33.00 | + 1 ↔ 43.00 | 38.00 |
Responses | ||||||||
ER | Extraction Ratio | % | ||||||
FR | Failure Ratio | % | ||||||
