| Hypothesis Test about the Mean - Confidence Interval | |
| Sample size | 84 |
| Sample standard deviation | 3.7512285231856 |
| Confidence | 0.65 |
| Null hypothesis | 100 |
| Sample Mean | 20.6904761904762 |
| 2-sided Confidence Interval | [ 20.3057851271382 , 21.0751672538142 ] |
| Left-sided Confidence Interval | [ 20.532220525839 , +inf ] |
| Right-sided Confidence Interval | [ -inf, 20.8487318551133 ] |