Statistical notes for clinical researchers: Understanding standard deviations and standard errors
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The distinction between standard error and standard deviation is not easy to explain. Confusingly, standard error itself is a kind of standard deviation. However the fundamental difference between a standard deviation and a standard error is that the former is used in a descriptive purpose while the latter is used in an inference procedure, in which information regarding samples is used to make explanations about populations.
Abstract
The distinction between standard error and standard deviation is not easy to explain. Confusingly, standard error itself is a kind of standard deviation. However the fundamental difference between a standard deviation and a standard error is that the former is used in a descriptive purpose while the latter is used in an inference procedure, in which information regarding samples is used to make explanations about populations.