| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 20 |
| Sample standard deviation | 3.77631120483859 |
| Confidence | 0.95 |
| Null hypothesis | 100 |
| Sample Mean | 21.05 |
| 2-sided Confidence Interval | [ 19.2826319530106 , 22.8173680469894 ] |
| Left-sided Confidence Interval | [ 19.5899049410601 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 22.5100950589399 ] |