Testing Mean with known Variance
sample size162
population variance13.0309278350515
sample mean5.35
null hypothesis about mean5.2
type I error0.05
Z-value0.528884813139515
p-value (one-tailed)0.298442678874578
p-value (two-tailed)0.596885357749156
conclusion for one-tailed test
Do not reject the null hypothesis.
conclusion for two-tailed test
Do not reject the null hypothesis