| Testing Variance - Confidence Intervals for Population Variance | ||
| Sample size | 289 | |
| Sample variance | 1147.16757977701 | |
| Confidence interval | 0.95 | |
| Type of Interval | Left tail | Right tail |
| Two-sided confidence interval at 0.95 | 980.648456287488 | 1360.26184359899 |
| Left one-sided confidence interval at 0.95 | 1005.48986376608 | +inf |
| Right one-sided confidence interval at 0.95 | 0 | 1323.1629529135 |
| more information about confidence interval | ||