| Testing Variance - Confidence Intervals for Sample Variance | ||
| Sample size | 20 | |
| Null hypothesis (H0) | 0 | |
| Confidence interval | 0.95 | |
| Type of Interval | Left tail | Right tail |
| Two-sided confidence interval at 0.95 | 0 | 0 |
| Left one-sided confidence interval at 0.95 | 0 | +inf |
| Right one-sided confidence interval at 0.95 | 0 | 0 |
| more information about confidence interval | ||