| Testing Mean with known Variance | |
| sample size | 37 |
| population variance | 2.87987988 |
| sample mean | 1.18918919 |
| null hypothesis about mean | 0 |
| type I error | 0.05 |
| critical value (one-tailed) | 0.458895270331739 |
| confidence interval (two-tailed) (sample mean) | [ 0.642381749028527 , 1.73599663097147 ] |
| conclusion for one-tailed test | |
| Reject the null hypothesis. | |
| conclusion for two-tailed test | |
| Reject the null hypothesis | |