6.5 central limit theorum

Question 1

what is the definition of the central limit theorum?

Answer 1

for all samples with the same size, “n”, where “n” > 30, the sampling distribution of xbar can be approximated by a normal distribution with a mean, mu and a standard deviation of sigma/SQRT”n”

Question 2

as sample size increases, the standard deviation of xbar,

Answer 2

decreases