Home › Entities › general › expectation

expectation

long-run average value of a random variable
Thing general Q200125
Press Enter · cited answer in seconds

Summary

expectation ranks in the top 0.92% of general entities by monthly Wikipedia readership (10,982 views/month, #718 of 77,819).[1]

Key Facts

  • Subclass of: arithmetic mean[2]
  • Facet of: expectation[3]
  • Described by source: Great Soviet Encyclopedia (1926–1947)[4], ISO 3534-1:2006(en) Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability[5], Armenian Soviet Encyclopedia, vol. 7[6]
  • Different from: mean[7]
  • On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4[8]
  • Maintained by WikiProject: WikiProject Mathematics[9]
  • Invariant under: Mean-preserving spread[10]
  • P14864: odotusarvo[11]

Why It Matters

expectation has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[12] expectation is known by 76 alternative names across languages and contexts.[13]

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [12] ↑ . Wikidata sitelinks. wikidata.org.
  3. [13] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

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). expectation. Retrieved October 14, 2026, from https://4ort.xyz/entity/expectation
MLA “expectation.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/expectation.
BibTeX @misc{4ortxyz_expectation_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{expectation}}, year = {2026}, url = {https://4ort.xyz/entity/expectation}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): expectation — https://4ort.xyz/entity/expectation (retrieved 2026-10-14)

Canonical URL: https://4ort.xyz/entity/expectation · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 29d ago · Zache · 2026-09-17 view diff on Wikidata ↗
    Invariant under → Mean-preserving spread
    Maintained by wikiproject → WikiProject Mathematics
    Different from → mean
    P14864 → odotusarvo
    + 7 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ P14864: odotusarvo, #quickstatements; #temporary_batch_1789688721844"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.