William Gemmell Cochran

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William G. Cochran
Born (1909-07-15)July 15, 1909
Died March 29, 1980(1980-03-29) (aged 70)
Orleans, Massachusetts
Nationality American
Alma mater University of Glasgow
Known for Cochran's C test
Cochran's Q test
Cochran's theorem
Cochran–Mantel–Haenszel statistics
Scientific career
Fields Statistics
Academic advisors John Wishart
Doctoral students Donald Rubin

William Gemmell Cochran (15 July 1909 – 29 March 1980) was a prominent statistician. He was born in Scotland but spent most of his life in the United States.

Cochran studied mathematics at the University of Glasgow and the University of Cambridge. He worked at Rothamsted Experimental Station from 1934 to 1939, when he moved to the United States. There he helped establish several departments of statistics. His longest spell in any one university was at Harvard, which he joined in 1957 and from which he retired in 1976.


Cochran wrote many articles and books. His books became standard texts:

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