| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 162 |
| Sample standard deviation | 3.97698693998018 |
| Confidence | 0.35 |
| Null hypothesis | 13 |
| Sample Mean | 20.4814814814815 |
| 2-sided Confidence Interval | [ 20.339432358654 , 20.623530604309 ] |
| Left-sided Confidence Interval | [ 20.3608686555971 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 20.6020943073659 ] |