Talk:standard error
Feedback edit
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Standard deviation and standard error are not equivalent terms. Standard error is the standard deviation divided by the square root of the sample size. Thanks!
You may have been taught this in school, but that will be because standard error is more often used for the standard deviation of a sample, to distinguish it from the standard deviation in a single measurement. Our definition is accurate if the variance of the sample is understood. We do have a link to the Wikipedia article for those who need more detail. Dbfirs 17:42, 1 October 2009 (UTC)