Mean of µ and a standard deviation

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A random sample obtained from a population has a mean of µ and a standard deviation of σ = 20. The error between the sample mean and the population mean for a sample of n = 16 is 4 points and the error between a sample men and population mean for a sample of n = 100 is 2 points. Explain the difference in the standard error for the two samples.

Reference no: EM13863057

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