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The mean of the measurement results for a particular factor at the kth level and the mean of the total RE of TOC.
| Parameter | Level | PREkpH | PRE kTime | PRE kPrssure | PRE kFlow | PRE kDistance | PRE kO3 | PRE kH2O2 | PRET |
|---|---|---|---|---|---|---|---|---|---|
| TOC | 1 | 49 | 26.55 | 26.01 | 49.08 | 49.55 | 32.78 | 35.87 | 41.28 |
| 2 | 39.94 | 42.21 | 40.11 | 40.11 | 39.37 | 38 | 41.25 | ||
| 3 | 35.02 | 54.97 | 57.61 | 34.48 | 34.82 | 48.5 | 46.65 |
