Glossary Term

Standard Error

Performance MetricsEN

Definition

The standard deviations of the sample in a frequency distribution, obtained by dividing the standard deviation by the square root of the total number of cases in the frequency distribution.

Extended Notes

Source: National Cancer Institute, NCI Thesaurus 26.09d, C53323. NCI definition, reproduced without modification under CC BY 4.0. Source identity and definition checked automatically on 2026-10-18. No individual clinical interpretation or human reviewer is asserted.

Also Known As

SESEMStandard ErrorStandard Error of the Mean