| B | Methods | Cp | Cpk | Cpm | Cpmk |
| 20 | Normal | 1.00 | 1.00 | 1.00 | 1.00 |
| Clement | 1.67 | 1.57 | 1.60 | 1.50 | |
| PC | 1.67 | 1.59 | 1.62 | 1.54 | |
| P-K-J | 1.67 | 1.50 | 1.62 | 1.47 | |
| 30 | Normal | 1.00 | 1.00 | 1.00 | 1.00 |
| Clement | 1.71 | 1.60 | 1.63 | 1.53 | |
| Pearn & | 1.71 | 1.60 | 1.62 | 1.52 | |
| P-K-J | 1.71 | 1.59 | 1.62 | 1.53 | |
| 40 | Normal | 1.00 | 1.00 | 1.00 | 1.00 |
| Clement | 1.41 | 1.36 | 1.39 | 1.34 | |
| Pearn | 1.41 | 1.37 | 1.40 | 1.36 | |
| P-K-J | 1.41 | 1.04 | 1.40 | 1.03 | |
| 50 | Normal | 1.00 | 1.00 | 1.00 | 1.00 |
| Clement | 1.37 | 1.34 | 1.36 | 1.34 | |
| Pearn | 1.37 | 1.34 | 1.36 | 1.34 | |
| P-K-J | 1.37 | 1.26 | 1.36 | 1.26 | |
| 100 | Normal | 1.00 | 1.00 | 1.00 | 1.00 |
| Clement | 1.29 | 1.26 | 1.29 | 1.26 | |
| Pearn | 1.29 | 1.25 | 1.28 | 1.24 | |
| P-K-J | 1.29 | 1.19 | 1.28 | 1.18 |