| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 162 |
| Sample standard deviation | 4.43887245613676 |
| Confidence | 0.65 |
| Null hypothesis | 20 |
| Sample Mean | 18.537037037037 |
| 2-sided Confidence Interval | [ 18.2101474010018 , 18.8639266730723 ] |
| Left-sided Confidence Interval | [ 18.4024162905385 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 18.6716577835356 ] |