Testing Mean with known Variance
sample size37
population variance2.879
sample mean1.697
null hypothesis about mean0
type I error0.05
critical value (one-tailed)0.458825162613218
confidence interval (two-tailed)
(sample mean)
[ 1.15027609752769 , 2.24372390247231 ]
conclusion for one-tailed test
Reject the null hypothesis.
conclusion for two-tailed test
Reject the null hypothesis