| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 20 |
| Sample standard deviation | 3.48077426353451 |
| Confidence | 0.95 |
| Null hypothesis | 20 |
| Sample Mean | 21.7 |
| 2-sided Confidence Interval | [ 20.0709474991702 , 23.3290525008298 ] |
| Left-sided Confidence Interval | [ 20.3541730731938 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 23.0458269268062 ] |