Intermediate method precision for bupivacaine hydrochloride and fentanyl citrate
| Bupivacaine hydrochloride | |
| Average | 6.3284 |
| Variance: s2 | 6.27×10–3 |
| SD: s | 0.0792 |
| Relative SD: sy | 0.0125 |
| Coefficient of variation: Wz | 1.25% |
| Fentanyl citrate | |
| Average | 0.1665 |
| Variance: s2 | 6.38×10–6 |
| SD: s | 0.0025 |
| Relative SD: sy | 0.0152 |
| Coefficient of variation: Wz | 1.52% |