| Testing Sample Mean with known Variance | ||
| Population variance | 3.60983764663337 | |
| Sample size | 98 | |
| Null hypothesis (H0) | 20 | |
| Confidence interval | 0.95 | |
| Type of Interval | Left tail | Right tail |
| Two-sided confidence interval at 0.95 | 19.6238345637924 | 20.3761654362076 |
| Left one-sided confidence interval at 0.95 | 19.6843120144245 | +inf |
| Right one-sided confidence interval at 0.95 | -inf | 20.3156879855755 |
| more information about confidence interval | ||