Testing Mean with known Variance
sample size37
population variance0.255
sample mean0.54
null hypothesis about mean0
type I error0.05
critical value (one-tailed)0.136551503083787
confidence interval (two-tailed)
(sample mean)
[ 0.377288848263623 , 0.702711151736377 ]
conclusion for one-tailed test
Reject the null hypothesis.
conclusion for two-tailed test
Reject the null hypothesis