| Testing Variance - Confidence Intervals for Sample Variance | ||
| Sample size | 320 | |
| Null hypothesis (H0) | 4.2 | |
| Confidence interval | 0.95 | |
| Type of Interval | Left tail | Right tail |
| Two-sided confidence interval at 0.95 | 3.57348350259581 | 4.87637537014906 |
| Left one-sided confidence interval at 0.95 | 3.66836294867082 | +inf |
| Right one-sided confidence interval at 0.95 | 0 | 4.76156745038017 |
| more information about confidence interval | ||