| Testing Mean with known Variance | |
| sample size | 98 |
| population variance | 0.1671 |
| sample mean | 0.8571 |
| null hypothesis about mean | 0.69 |
| type I error | 0.05 |
| critical value (one-tailed) | 0.757920745469226 |
| confidence interval (two-tailed) (sample mean) | [ 0.77616743995846 , 0.93803256004154 ] |
| conclusion for one-tailed test | |
| Reject the null hypothesis. | |
| conclusion for two-tailed test | |
| Reject the null hypothesis | |