SOLUTION: If a population has a standard deviation σ of 5 units, what is the standard error of the mean if samples of size 25 are selected? Show all work please.
I really dont under
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Question 554839: If a population has a standard deviation σ of 5 units, what is the standard error of the mean if samples of size 25 are selected? Show all work please.
I really dont understand this. If you could show me how to do it and explain it I would be very grateful.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If a population has a standard deviation σ of 5 units, what is the standard error of the mean if samples of size 25 are selected? Show all work please.
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The standard deviation fot the population is given as sigma = 5
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For all samples of size 25 and standard deviation of
the sample means is sigma/sqrt(25) = 5/5 = 1
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Check the Central Limit Theorem is you want to understand this problem.
Cheers,
Stan H.
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