| Testing Mean with known Variance | |
| sample size | 9 |
| population variance | 0.36 |
| sample mean | 5.35 |
| null hypothesis about mean | 0 |
| type I error | 0.95 |
| critical value (one-tailed) | 0.328970725390294 |
| confidence interval (two-tailed) (sample mean) | [ 5.33745864441136 , 5.36254135558864 ] |
| conclusion for one-tailed test | |
| Reject the null hypothesis. | |
| conclusion for two-tailed test | |
| Reject the null hypothesis | |