Business Statistics/Need clarification on one statement

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Amitesh Singh

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Sep 5, 2012
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Can some explain to me this statement


Assuming the population variance is known, and then if the sample size is doubled, the variance of the distribution of the sample mean of the random variable would be halvedAssuming the population variance is known, and then if the sample size is doubled, the variance of the distribution of the sample mean of the random variable would be halved
 
Amitesh Singh said:
Can some explain to me this statement


Assuming the population variance is known, and then if the sample size is doubled, the variance of the distribution of the sample mean of the random variable would be halved

Assuming the population variance is known, and then if the sample size is doubled, the variance of the distribution of the sample mean of the random variable would be halved
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Do you know the relation between "the population variance" & " the sample size" & "the variance of the distribution of the sample mean"?

 
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