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A random sample of size n = 49 is selected from a population with mean μ...

A random sample of size n = 49 is selected from a population with mean μ = 54 and standard deviation σ = 14. What will be the mean and standard deviation of the sampling distribution of x?

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Answer #1

Solution :

Given that ,

mean = = 54

standard deviation = = 14

n = 49

sample distribution of sample mean is ,

=

= 54

sampling distribution of standard deviation

=  / n = 14 / 49

= 2

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