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March 1, 2015

March 1, 2015

Posted by **Nina** on Saturday, October 6, 2012 at 3:12pm.

- statistics -
**David Q/R**, Saturday, October 6, 2012 at 5:34pmThe standard error of the mean (SEM) is a measure of how well the sample mean is estimated - so if you increase the sample size, the standard error of the mean should get smaller. Specifically, if S is the standard deviation of the sample, then the SEM = S/sqrt(N), where N is the sample size. So you can also see from that that if the standard deviation of the sample increases, then the SEM increases proportionally with it.

- statistics -
**Mayra**, Wednesday, November 14, 2012 at 11:39pmWhy does the standard of error of a mean decrease as population increases.

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