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when repeated samples of size n are selected at random from a finite population with n elements whose mean is u and whose

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When repeated samples of size n are selected at random from a finite population with N elements whose mean is μ and whose variance is σ^2, the standard deviation of x is

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Answer to a math question When repeated samples of size n are selected at random from a finite population with N elements whose mean is μ and whose variance is σ^2, the standard deviation of x is

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\sigma_\bar{x}=\frac{\sigma}{\sqrt{n}}\sqrt{\frac{Nn}{n-1}}

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