SE = SD(of the population)/sqrt(n) SE: standard error of the mean. n is population size. why is that true . i wanna know either statistical reason or mathematical reason.
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Originally Posted by bogazichili SE = SD(of the population)/sqrt(n) SE: standard error of the mean. n is population size. why is that true . i wanna know either statistical reason or mathematical reason. Read this: Sampling Distribution of the Mean
Just take the square root of...
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