| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 64 |
| Sample standard deviation | 4.39287730670298 |
| Confidence | 0.95 |
| Null hypothesis | 20 |
| Sample Mean | 20.859375 |
| 2-sided Confidence Interval | [ 19.762066897462 , 21.956683102538 ] |
| Left-sided Confidence Interval | [ 19.9426901080631 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 21.7760598919369 ] |