| Testing Variance - Confidence Intervals for Population Variance | ||
| Sample size | 63 | |
| Sample variance | 13 | |
| Confidence interval | 0.65 | |
| Type of Interval | Left tail | Right tail |
| Two-sided confidence interval at 0.65 | 11.153207562813 | 15.630366340558 |
| Left one-sided confidence interval at 0.65 | 12.2682812832335 | +inf |
| Right one-sided confidence interval at 0.65 | 0 | 14.098511730837 |
| more information about confidence interval | ||