---
tag: 01XAHPADBA
kind: concept
name: Moment
aliases: [moment-of-random-variable, raw-moment]
msc: ["60E05"]
sources:
  - url: https://en.wikipedia.org/wiki/Moment_(mathematics)
    locator: lead section
same_as:
  wikidata: Q638982
  wikipedia: Moment (mathematics)
---

## Summary

The moments of a random variable are the expected values of its powers. The first moment is the mean.
The node [[moment|0PH0VHTQS0]] gives the precise definition for random variables.