---
tag: 03Y6AQ2S0J
kind: concept
name: Sample mean
aliases: [empirical-mean, sample-average]
msc: [62F10]
sources:
  - url: https://en.wikipedia.org/wiki/Sample_mean_and_covariance
    locator: lead section
same_as:
  wikidata: Q2348165
  wikipedia: Sample mean and covariance
---

## Summary

The sample mean of a sample is the arithmetic mean of its values. It is the usual estimator of the mean of the population.
The node [[sample mean|0QNRBHWV35]] gives the precise definition.