| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 63 |
| Sample standard deviation | 3.71225672258781 |
| Confidence | 95 |
| Null hypothesis | 20 |
| Sample Mean | 21.1587301587302 |
| 2-sided Confidence Interval | [ NaN , NaN ] |
| Left-sided Confidence Interval | [ NaN , +inf ] |
| Right-sided Confidence Interval | [ -inf, NaN ] |