| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 49 |
| Sample standard deviation | 3.49696175223559 |
| Confidence | 0.95 |
| Null hypothesis | 20 |
| Sample Mean | 20.9795918367347 |
| 2-sided Confidence Interval | [ 19.9751471445736 , 21.9840365288958 ] |
| Left-sided Confidence Interval | [ 20.1417077133389 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 21.8174759601305 ] |