Cochran's theorem

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Cochran's theorem

Quality:

Cochran's theorem - theorem used to justify the appearance of chi-squared distributions in ANOVA. Article “Cochran's theorem” in English Wikipedia has 22.1 points for quality (as of July 1, 2025). The article contains 6 references and 9 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 1.16 points.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

In June 2025 the article “Cochran's theorem” was edited by 1 authors in English Wikipedia and written by 1 authors in all languages.

Since the creation of article “Cochran's theorem”, its content was written by 52 registered users of English Wikipedia and edited by 137 registered Wikipedia users in all languages.

The article is cited 75 times in English Wikipedia and cited 104 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #35242 in April 2004
  • Global: #70013 in April 2004

The highest popularity rank from 2008:

  • Local (English): #354182 in December 2016
  • Global: #418672 in December 2008

There are 9 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Cochran's theorem
22.1157
2Hungarian (hu)
Cochran-tétel
17.4115
3Japanese (ja)
コクランの定理
16.1468
4Spanish (es)
Teorema de Cochran
10.5299
5French (fr)
Théorème de Cochran
10.0155
6Polish (pl)
Twierdzenie Cochrana
5.6954
7Dutch (nl)
Stelling van Cochran
4.0404
8German (de)
Satz von Cochran
3.2674
9Italian (it)
Teorema di Cochran
1.0334
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "Cochran's theorem" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Cochran's theorem
370 317
2French (fr)
Théorème de Cochran
51 870
3Italian (it)
Teorema di Cochran
26 623
4Spanish (es)
Teorema de Cochran
18 721
5Polish (pl)
Twierdzenie Cochrana
16 939
6German (de)
Satz von Cochran
16 790
7Dutch (nl)
Stelling van Cochran
4 607
8Hungarian (hu)
Cochran-tétel
3 062
9Japanese (ja)
コクランの定理
2 797
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "Cochran's theorem" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Cochran's theorem
1 389
2French (fr)
Théorème de Cochran
337
3Japanese (ja)
コクランの定理
101
4Spanish (es)
Teorema de Cochran
75
5Italian (it)
Teorema di Cochran
43
6Polish (pl)
Twierdzenie Cochrana
40
7German (de)
Satz von Cochran
37
8Dutch (nl)
Stelling van Cochran
16
9Hungarian (hu)
Cochran-tétel
13
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "Cochran's theorem" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Cochran's theorem
52
2German (de)
Satz von Cochran
17
3French (fr)
Théorème de Cochran
15
4Italian (it)
Teorema di Cochran
14
5Spanish (es)
Teorema de Cochran
13
6Hungarian (hu)
Cochran-tétel
8
7Polish (pl)
Twierdzenie Cochrana
8
8Dutch (nl)
Stelling van Cochran
6
9Japanese (ja)
コクランの定理
4
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2025

Language versions of the article "Cochran's theorem" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Cochran's theorem
1
2German (de)
Satz von Cochran
0
3Spanish (es)
Teorema de Cochran
0
4French (fr)
Théorème de Cochran
0
5Hungarian (hu)
Cochran-tétel
0
6Italian (it)
Teorema di Cochran
0
7Japanese (ja)
コクランの定理
0
8Dutch (nl)
Stelling van Cochran
0
9Polish (pl)
Twierdzenie Cochrana
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "Cochran's theorem" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Cochran's theorem
75
2Italian (it)
Teorema di Cochran
8
3French (fr)
Théorème de Cochran
5
4German (de)
Satz von Cochran
4
5Spanish (es)
Teorema de Cochran
4
6Polish (pl)
Twierdzenie Cochrana
3
7Hungarian (hu)
Cochran-tétel
2
8Dutch (nl)
Stelling van Cochran
2
9Japanese (ja)
コクランの定理
1
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
deGerman
Satz von Cochran
enEnglish
Cochran's theorem
esSpanish
Teorema de Cochran
frFrench
Théorème de Cochran
huHungarian
Cochran-tétel
itItalian
Teorema di Cochran
jaJapanese
コクランの定理
nlDutch
Stelling van Cochran
plPolish
Twierdzenie Cochrana

Popularity rank trends

Best Rank English:
#354182
12.2016
Global:
#418672
12.2008

AI rank trends

Best Rank English:
#35242
04.2004
Global:
#70013
04.2004

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Cochran's theorem from Wikipedia articles about Students t-distribution, Chi-squared distribution, Basus theorem, F-distribution and Bessels correction. Whereas reading the article about Cochran's theorem people most often go to Wikipedia articles on William Gemmell Cochran, Cramérs theorem, Basus theorem, Analysis of variance and F-distribution.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 12 August 2025

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In English Wikipedia the most popular articles on that day were: Weapons (2025 film), Danielle Spencer (American actress), Cristiano Ronaldo, Deaths in 2025, Taylor Swift, Wednesday (TV series), Superman (2025 film), Georgina Rodríguez, Coolie (2025 film), The Fantastic Four: First Steps.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information