Editing Chebyshev's inequality (section)

==History==
The theorem is named after Russian mathematician [[Pafnuty Chebyshev]], although it was first formulated by his friend and colleague [[Irénée-Jules Bienaymé]].<ref>{{cite book
 |title=The Art of Computer Programming: Fundamental Algorithms, Volume 1
 |edition=3rd
 |last1=Knuth
 |first1=Donald
 |author-link1=Donald Knuth
 |year=1997
 |publisher=Addison–Wesley
 |location=Reading, Massachusetts
 |isbn=978-0-201-89683-1
 |url=http://www-cs-faculty.stanford.edu/~uno/taocp.html
 |access-date=1 October 2012
 |ref=KnuthTAOCP1
 |archive-date=26 February 2009
 |archive-url=https://web.archive.org/web/20090226183954/http://www-cs-faculty.stanford.edu/~uno/taocp.html
 |url-status=dead
 }}</ref>{{rp|98}} The theorem was first proved by Bienaymé in 1853<ref name="Bienaymé1853">{{cite journal | last1 = Bienaymé | first1 = I.-J. | year = 1853 | title = Considérations àl'appui de la découverte de Laplace | journal = Comptes Rendus de l'Académie des Sciences | volume = 37 | pages = 309–324 }}</ref> and more generally proved by Chebyshev in 1867.<ref name=Chebyshev1867>{{cite journal|last=Tchebichef|first=P.|title=Des valeurs moyennes|journal=Journal de Mathématiques Pures et Appliquées|year=1867|volume=12|series=2|pages=177–184}}</ref><ref>{{Cite book| last = Routledge| first = Richard| title = Chebyshev's inequality| url = https://www.britannica.com/science/Chebyshevs-inequality|publisher = Encyclopedia Britannica}}</ref> His student [[Andrey Markov]] provided another proof in his 1884 Ph.D. thesis.<ref name=Markov1884>Markov A. (1884) On certain applications of algebraic continued fractions, Ph.D. thesis, St. Petersburg</ref>