the standard deviation of a distribution of a sample statistic, especially when the mean is used as the statistic.
Origin
1895-1900
Examples from the web for standard error
Let me go ahead and explicitly calculate the standard deviation and standard error for my last set of right right-hand data above.
The relative standard error is defined as the ratio of the standard error to the survey estimate.
British Dictionary definitions for standard error
standard error
noun
1.
(statistics) the estimated standard deviation of a parameter, the value of which is not known exactly
standard error in Science
standard error The standard deviations of the sample in a frequency distribution, obtained by dividing the standard deviation by the total number of cases in the frequency distribution.