| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 63 |
| Sample standard deviation | 3.74357274773213 |
| Confidence | 0.95 |
| Null hypothesis | 20 |
| Sample Mean | 21.2222222222222 |
| 2-sided Confidence Interval | [ 20.2794156347495 , 22.165028809695 ] |
| Left-sided Confidence Interval | [ 20.4346660460631 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 22.0097783983813 ] |