| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 27 |
| Sample standard deviation | 4.0163483577815 |
| Confidence | 0.95 |
| Null hypothesis | 20 |
| Sample Mean | 19.8518518518519 |
| 2-sided Confidence Interval | [ 18.2630373572677 , 21.440666346436 ] |
| Left-sided Confidence Interval | [ 18.5335002767340 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 21.1702034269697 ] |