| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 159 |
| Sample standard deviation | 3.44548223368306 |
| Confidence | 0.95 |
| Null hypothesis | 0 |
| Sample Mean | 12.8553459119497 |
| 2-sided Confidence Interval | [ 12.3156628366614 , 13.3950289872380 ] |
| Left-sided Confidence Interval | [ 12.4032478676371 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 13.3074439562623 ] |