| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 161 |
| Sample standard deviation | 3.6637069270351 |
| Confidence | 0.95 |
| Null hypothesis | 17 |
| Sample Mean | 20.6273291925466 |
| 2-sided Confidence Interval | [ 20.0570950191318 , 21.1975633659613 ] |
| Left-sided Confidence Interval | [ 20.1496273176074 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 21.1050310674858 ] |