| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 98 |
| Sample standard deviation | 3.60983764663337 |
| Confidence | 0.95 |
| Null hypothesis | 20 |
| Sample Mean | 20.2857142857143 |
| 2-sided Confidence Interval | [ 19.5619876187585 , 21.00944095267 ] |
| Left-sided Confidence Interval | [ 19.6801369145128 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 20.8912916569158 ] |