Question

consider all samples of size 4 from this population: 1,5,6,8,10. calculate the standard deviation of the sampling distribution of the sample means

Answer 1

mean, $\mu=6.0$

Standard deviation $\sigma=\sqrt{x^2f(x)-(6)^2}$

$=\sqrt{36.575-36}$

$=\sqrt{0.575}$

$=0.7583$