A population has a mean μ=40 and a standard deviation σ=4. What is the standard deviation of the sampling distribution of the sample means if the sample size is n=16?
Solution :
Given that,
mean =
= 40
standard deviation =
= 4
n = 16
The sampling distribution of mean and standard deviation is ,
= 40
=
/
n = 4 /
16 = 1
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