| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 20 |
| Sample standard deviation | 3.00875914272767 |
| Confidence | 0.95 |
| Null hypothesis | 20 |
| Sample Mean | 20 |
| 2-sided Confidence Interval | [ 18.5918573757558 , 21.4081426242442 ] |
| Left-sided Confidence Interval | [ 18.836675761201 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 21.163324238799 ] |