A population of values has a mean of 184.8 and standard deviation of 68.7 and. You...
A population of values has a mean of 184.8 and standard
deviation of 68.7 and. You intend to draw a random sample of size
n=209n=209.
What is the mean of the distribution of sample means?
μ¯x=
What is the standard deviation of the distribution of sample means
(Standard error)?
σ¯x=
Homework Answers
Solution :
Given that ,
mean = 
= 184.8
standard deviation = 
= 68.7
n = 209
mean of the distribution of sample means
= 184.8
standard deviation of the distribution of sample means (Standard error)
=
/ 
n = 68.7 / 209 = 4.75
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