00528nam a22001812  4500001001100000005001700011008004100028020001700069040001500086100003400101245010300135250001200238260003700250300001600287650003700303852000300340852000300343000001166420151217152100.0081217s         xx           000 0 eng d  a0393964882 :  aKABUcKABU1 aMansfield, Edwin.@000016299610aStatistics for business and economics :bproblems, exercises, and case studies /cEdwin Mansfield.  a5th ed.  aNew York :bW. W. Norton,c1994.  avii,344  p. 0aBusiness statistics.@00001577151 1