| Testing Mean with known Variance | |
| sample size | 9 |
| population variance | 0.36 |
| sample mean | 5.35 |
| null hypothesis about mean | 15 |
| type I error | 0.99 |
| Z-value | -48.25 |
| p-value (one-tailed) | 1 |
| p-value (two-tailed) | 2 |
| conclusion for one-tailed test | |
| Do not reject the null hypothesis. | |
| conclusion for two-tailed test | |
| Do not reject the null hypothesis | |