| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 162 |
| Sample standard deviation | 3.6570654562011 |
| Confidence | 0.95 |
| Null hypothesis | 20 |
| Sample Mean | 20.6419753086420 |
| 2-sided Confidence Interval | [ 20.0745612075690 , 21.2093894097149 ] |
| Left-sided Confidence Interval | [ 20.1666305877261 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 21.1173200295578 ] |