| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 162 |
| Sample standard deviation | 4.18358424300493 |
| Confidence | 0.65 |
| Null hypothesis | 20 |
| Sample Mean | 20.5617283950617 |
| 2-sided Confidence Interval | [ 20.2536388196048 , 20.8698179705186 ] |
| Left-sided Confidence Interval | [ 20.4348499502769 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 20.6886068398466 ] |