---
title: "Sample variance mathematical notation"
description: "Sample variance is a recurring research-paper notation family. Measures observed squared spread around a sample mean, commonly dividing by n minus one…"
canonical_url: "https://fanout.sh/labs/math-decoder/symbol/sample-variance"
md_url: "https://fanout.sh/labs/math-decoder/symbol/sample-variance.md"
last_updated: "2026-08-09"
access: "public"
---

# Sample variance mathematical notation

Sample variance is a recurring research-paper notation family. Measures observed squared spread around a sample mean, commonly dividing by n minus one…

## Public overview

Sample variance is a recurring research-paper notation family. Measures observed squared spread around a sample mean, commonly dividing by n minus one for an unbiased estimator.

Sample variance: Measures observed squared spread around a sample mean, commonly dividing by n minus one for an unbiased estimator. Example: Square each distance from the sample mean and average with the n minus one correction.

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