Testing Mean with known Variance | |
sample size | 98 |
population variance | 13.03 |
sample mean | 20.28 |
null hypothesis about mean | 20 |
type I error | 0.05 |
critical value (one-tailed) | 20.5997723310137 |
confidence interval (two-tailed) (sample mean) | [ 19.5653271875083 , 20.9946728124917 ] |
conclusion for one-tailed test | |
Do not reject the null hypothesis. | |
conclusion for two-tailed test | |
Do not reject the null hypothesis |