Gertrude Mary Cox (January 13, 1900 – October 17, 1978) was an American statistician and founder of the department of Experimental Statistics at North Carolina State University.
She was later appointed director of both the Institute of Statistics of the Consolidated University of North Carolina and the Statistics Research Division of North Carolina State University.
Her most important and influential research dealt with experimental design; she wrote an important book on the subject with W.
G.
Cochran.
In 1949 Cox became the first woman elected into the International Statistical Institute and in 1956 was President of the American Statistical Association.