Testing Mean with known Variance
sample size27
population variance0.012
sample mean0.1547
null hypothesis about mean0.15
type I error0.05
Z-value0.222940575041871
p-value (one-tailed)0.411790878335306
p-value (two-tailed)0.823581756670611
conclusion for one-tailed test
Do not reject the null hypothesis.
conclusion for two-tailed test
Do not reject the null hypothesis