| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 77 |
| Sample standard deviation | 3.81187840197842 |
| Confidence | 0.65 |
| Null hypothesis | 100 |
| Sample Mean | 20.6103896103896 |
| 2-sided Confidence Interval | [ 20.2018831688514 , 21.0188960519278 ] |
| Left-sided Confidence Interval | [ 20.4423709111699 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 20.7784083096093 ] |