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The factors studied and uncoded and coded levels used in the RSM design.
| Factor | Name | Units | Variation Levels | |||||
|---|---|---|---|---|---|---|---|---|
| Minimum | Maximum | Coded Low (−1) | Coded High (+1) | Mean | Std. Dev. | |||
| A | Temperature | °C | 59.29 | 200.71 | 80.00 | 180.00 | 130.00 | 40.82 |
| B | Time | min | 5.86 | 34.14 | 10.00 | 30.00 | 20.00 | 8.16 |
