Question: Which of the following process has the highest process capability? Process USL LSL Average Sigma 1 100 90 96 1 units 2 120 110 120
Which of the following process has the highest process capability?
Process USL LSL Average Sigma
1 100 90 96 1 units
2 120 110 120 0.5 units
3 120 110 115 0.45 units
| process 1 with Cp = 1.67 and Cpk = 1.33 | ||
| process 2 with Cp = 3.33 and Cpk = 0 | ||
| process 3 with Cp = 3.70 and Cpk = 3.70 | ||
| process 1 with Cp = 2.77 and Cpk = 0 | ||
| process 3 with Cp = 3.70 and Cpk = 1.33 |
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