00914cam a2200253 a 45000010008000000030008000080050017000160080041000330100017000740200015000910400027001060500021001330820020001541000037001742450127002112600031003383000027003694400114003965040039005106500025005496500026005747000022006007000038006222349868BD-DhUL20140722134544.0140721s1983    nyu      b    001 0 eng    a   83006461   a0471887196  aDLCcDLCdDLCdBD-DhUL00aQA279b.C63 198300a001.42219bcop1 aCochran, William Gemmell,d1909-10aPlanning and analysis of observational studies /cWilliam G. Cochran ; edited by Lincoln E. Moses and Frederick Mosteller.  aNew York :bWiley,cc1983.  axiii, 145 p. ;c24 cm. 0aWiley series in probability and mathematical statistics.pProbability and mathematical statistics,x0271-6356  aIncludes bibliographies and index. 0aExperimental design. 0aAnalysis of variance.1 aMoses, Lincoln E.1 aMosteller, Frederick,d1916-2006.