| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 98 |
| Sample standard deviation | 3.60983764663337 |
| Confidence | 0.55 |
| Null hypothesis | 20 |
| Sample Mean | 20.2857142857143 |
| 2-sided Confidence Interval | [ 20.00913391905 , 20.5622946523785 ] |
| Left-sided Confidence Interval | [ 20.2397719163421 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 20.3316566550865 ] |