Testing Mean with known Variance
sample size27
population variance0.012
sample mean0.1547
null hypothesis about mean0.15
type I error0.05
critical value (one-tailed)0.184676559191704
confidence interval (two-tailed)
(sample mean)
[ 0.113380331179696 , 0.196019668820304 ]
conclusion for one-tailed test
Do not reject the null hypothesis.
conclusion for two-tailed test
Do not reject the null hypothesis