Standard error (statistics)
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The standard error (SE), in statistics, is a measure of spread for a sample of data. Mathematically, the SE is the standard deviation divided by the square root of the sample size.
Standard error vs. standard deviation [edit]
The standard error is commonly confused with the standard deviation.
For a simple explanation of the difference, see What is the difference between standard deviation and standard error?
For a more indepth explanation, perhaps Standard deviations and standard errors.
See also [edit]
- Standard error (statistics) (Wikipedia)
