| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 63 |
| Sample standard deviation | 3.71225672258781 |
| Confidence | 0.95 |
| Null hypothesis | 20 |
| Sample Mean | [ 20.223810410058 , 22.0936499074023 ] |
| Left-sided Confidence Interval | [ 20.3777621085879 , +inf ] |