| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 68 |
| Sample standard deviation | 3.66445446342104 |
| Confidence | 0.95 |
| Null hypothesis | 20 |
| Sample Mean | 21.2205882352941 |
| 2-sided Confidence Interval | [ 20.3336012907336 , 22.1075751798546 ] |
| Left-sided Confidence Interval | [ 20.4793990439504 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 21.9617774266379 ] |