Table 13.
S/N response for coefficient of friction.
| Parameter | Mean S/N Ratio | |||
|---|---|---|---|---|
| Level 1 | Level 2 | Level 3 | ΔM | |
| A | 5.90 | 5.13 | 5.63 | 0.77 |
| B | 5.24 | 5.50 | 5.92 | 0.68 |
| C | 5.94 | 5.53 | 5.18 | 0.76 |
| D | 5.50 | 5.71 | 5.45 | 0.25 |
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