| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 68 |
| Sample standard deviation | 3.60189687612424 |
| Confidence | 0.95 |
| Null hypothesis | 20 |
| Sample Mean | 21.2647058823529 |
| 2-sided Confidence Interval | [ 20.3928610998166 , 22.1365506648892 ] |
| Left-sided Confidence Interval | [ 20.5361698725411 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 21.9932418921648 ] |