A sample is selected from a population with a mean of 40 and a

Mathematics
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A sample is selected from a population with a mean of 40, a standard deviation of 8. 

A. If the sample has n=4 score what is the expected value of M &the standard error of M?

B. If the sample has n=16 scores what is the expected value of M & s.e. of M?

Nov 15th, 2014

A. Expected value 40 Standard error = 4

B. Expected value 40 Standard error = 2

(Standard error =standard deviation/sqrt(n))

Nov 15th, 2014

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Nov 15th, 2014
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Nov 15th, 2014
May 23rd, 2017
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