Shapiro–Wilk test

test of normality in frequentist statistics
Event normality_test Q1396441
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Shapiro–Wilk test

Summary

Shapiro–Wilk test is a normality test[1]. It draws 399 Wikipedia views per month (normality_test category, ranking #1 of 4).[2]

Key Facts

  • Shapiro–Wilk test's instance of is recorded as normality test[3].
  • Samuel Sanford Shapiro is named after Shapiro–Wilk test[4].
  • Martin Wilk is named after Shapiro–Wilk test[5].
  • Shapiro–Wilk test's publication date is recorded as +1965-00-00T00:00:00Z[6].
  • Shapiro–Wilk test's Freebase ID is recorded as /m/07y74v[7].
  • Shapiro–Wilk test's defining formula is recorded as W = {\left(\sum \limits_{i=1}^n a_i x_{(i)}\right)^2 \over \sum \limits_{i=1}^n (x_i-\overline{x})^2}[8].
  • Shapiro–Wilk test's maintained by WikiProject is recorded as WikiProject Mathematics[9].
  • Shapiro–Wilk test's Microsoft Academic ID is recorded as 108399061[10].
  • Shapiro–Wilk test's Online PWN Encyclopedia ID is recorded as 4001105[11].
  • Shapiro–Wilk test's Encyclopedia of China is recorded as 51342[12].

Why It Matters

Shapiro–Wilk test draws 399 Wikipedia views per month (normality_test category, ranking #1 of 4).[2] It has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[13]

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] . Freebase Data Dumps. wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [13] . Wikidata sitelinks. 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). Shapiro–Wilk test. Retrieved May 3, 2026, from https://4ort.xyz/entity/shapiro-wilk-test
MLA “Shapiro–Wilk test.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/shapiro-wilk-test.
BibTeX @misc{4ortxyz_shapiro-wilk-test_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Shapiro–Wilk test}}, year = {2026}, url = {https://4ort.xyz/entity/shapiro-wilk-test}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Shapiro–Wilk test — https://4ort.xyz/entity/shapiro-wilk-test (retrieved 2026-05-03)

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