| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 63 |
| Sample standard deviation | 3.7063900481385 |
| Confidence | 0.95 |
| Null hypothesis | 20 |
| Sample Mean | 21.1428571428571 |
| 2-sided Confidence Interval | [ 20.2094148970118 , 22.0762993887024 ] |
| Left-sided Confidence Interval | [ 20.3631232975794 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 21.9225909881348 ] |