| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 63 |
| Sample standard deviation | 3.81651624010137 |
| Confidence | 0.95 |
| Null hypothesis | 20 |
| Sample Mean | 20.8253968253968 |
| 2-sided Confidence Interval | [ 19.864219657264 , 21.7865739935296 ] |
| Left-sided Confidence Interval | [ 20.0224951219041 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 21.6282985288896 ] |