| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 20 |
| Sample standard deviation | 3.77631120483859 |
| Confidence | 0.65 |
| Null hypothesis | 13 |
| Sample Mean | 21.05 |
| 2-sided Confidence Interval | [ 20.2408924839619 , 21.8591075160381 ] |
| Left-sided Confidence Interval | [ 20.7196652072646 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 21.3803347927354 ] |