| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 42 |
| Sample standard deviation | 3.80666632087885 |
| Confidence | 0.65 |
| Null hypothesis | 13 |
| Sample Mean | 21.4047619047619 |
| 2-sided Confidence Interval | [ 20.8494594524716 , 21.9600643570522 ] |
| Left-sided Confidence Interval | [ 21.1768392915894 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 21.6326845179344 ] |