standard deviation

dispersion of the values ​​of a random variable around its expected value
Thing descriptive_statistic Q159375
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standard deviation

Summary

standard deviation is a descriptive statistic[1]. It has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • standard deviation's instance of is recorded as descriptive statistic[3].
  • standard deviation's instance of is recorded as statistical dispersion[4].
  • standard deviation is part of stochastic[5].
  • standard deviation's Commons category is recorded as Standard deviation[6].
  • standard deviation's topic's main category is recorded as Category:Standard deviation[7].
  • standard deviation's Commons gallery is recorded as Standard deviation[8].
  • standard deviation's facet of is recorded as statistics[9].
  • standard deviation's described by source is recorded as ISO 3534-1:2006(en) Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability[10].
  • standard deviation's short name is recorded as {'lang': 'en', 'text': 'SD'}[11].
  • standard deviation's different from is recorded as root mean square[12].
  • standard deviation's different from is recorded as root-mean-square deviation[13].
  • standard deviation's different from is recorded as sample standard deviation[14].
  • standard deviation's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4[15].
  • standard deviation's maintained by WikiProject is recorded as WikiProject Mathematics[16].

Body

Definition and Type

Recorded instance of include descriptive statistic[3] and statistical dispersion[4].

Use and Application

standard deviation is part of stochastic[5].

Why It Matters

standard deviation has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[2] It is known by 61 alternative names across languages and contexts.[17]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. wikidata.org.
  2. [17] . Wikidata aliases. wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). standard deviation. Retrieved May 3, 2026, from https://4ort.xyz/entity/standard-deviation
MLA “standard deviation.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/standard-deviation.
BibTeX @misc{4ortxyz_standard-deviation_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{standard deviation}}, year = {2026}, url = {https://4ort.xyz/entity/standard-deviation}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): standard deviation — https://4ort.xyz/entity/standard-deviation (retrieved 2026-05-03)

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  1. 5w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 2mhaVn
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
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