| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 49 |
| Sample standard deviation | 3.54010069421338 |
| Confidence | 0.95 |
| Null hypothesis | 20 |
| Sample Mean | 20.265306122449 |
| 2-sided Confidence Interval | [ 19.2484704794097 , 21.2821417654883 ] |
| Left-sided Confidence Interval | [ 19.4170857594417 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 21.1135264854563 ] |