Offers a comprehensive update of this classic statistics textbook, with careful adherence to the intent, approach, and style of the original authors.

George W Snedecor was an American mathematician and statistician. He contributed to the foundations of analysis of variance, data analysis, experimental design, and statistical methodology. Snedecor's F-distribution and the George W. Snedecor Award of the American Statistical Association are named after him.

William G Cochran 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.