| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 49 |
| Sample standard deviation | 3.49696175223559 |
| Confidence | 0.65 |
| Null hypothesis | 13 |
| Sample Mean | 20.9795918367347 |
| 2-sided Confidence Interval | [ 20.5081030613102 , 21.4510806121592 ] |
| Left-sided Confidence Interval | [ 20.7859427063672 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 21.1732409671022 ] |