| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 66 |
| Sample standard deviation | 3.66371994328767 |
| Confidence | 0.95 |
| Null hypothesis | 20 |
| Sample Mean | 21.1515151515152 |
| 2-sided Confidence Interval | [ 20.2508603761394 , 22.0521699268909 ] |
| Left-sided Confidence Interval | [ 20.3990057961542 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 21.9040245068761 ] |