| Testing Mean with known Variance | |
| sample size | 9 |
| population variance | 0.36 |
| sample mean | 5.35 |
| null hypothesis about mean | 5.2 |
| type I error | 0.05 |
| critical value (one-tailed) | 5.5289707253903 |
| confidence interval (two-tailed) (sample mean) | [ 4.95800720309199 , 5.74199279690801 ] |
| conclusion for one-tailed test | |
| Do not reject the null hypothesis. | |
| conclusion for two-tailed test | |
| Do not reject the null hypothesis | |