| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 56 |
| Sample standard deviation | 3.7219949964027 |
| Confidence | 0.65 |
| Null hypothesis | 13 |
| Sample Mean | 20.4642857142857 |
| 2-sided Confidence Interval | [ 19.995454866863 , 20.9331165617084 ] |
| Left-sided Confidence Interval | [ 20.2716338615681 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 20.6569375670034 ] |