Cochran, William G. creator text S.l.] John Wiley & Sons 1977 3rd ed. monographic 428 p. ; Clearly demonstrates a wide range of sampling methods now in use by governments, in business, market and operations research, social science, medicine, public health, agriculture, and accounting. Gives proofs of all the theoretical results used in modern sampling practice. New topics in this edition include the approximate methods developed for the problem of attaching standard errors or confidence limits to nonlinear estimates made from the results of surveys with complex plans. Sampling (Statistics) 001.4222COC 047116240X (paperback) 9780471162407 (paperback) http://www.amazon.com/exec/obidos/ASIN/047116240X/chopaconline-20 http://www.amazon.com/exec/obidos/ASIN/047116240X/chopaconline-20