| V(y)/V(s) | ||
| Confidence Interval | BCa | |
| Period | I | II |
| 99% | (1.18870, 1.68141) | (1.1120, 1.5940) |
| 95% | (1.25243, 1.60796) | (1.16848, 1.52188) |
| 90% | (1.28194, 1.57434) | (1.19710, 1.48385) |