00340nam a2200121 a 4500008004100000050001800041100002700059245006100086250001300147260002600160300002300186350000900209120416s1987    ||||||||||||||||| ||    u  aQA 276.12 Pfa  aPfaffenberger, Roger C10aStatistical methods for business and economics (3rd Ed.)  a3rd. ed.  aHomewoodbIrwinc1987  axiv, 1246p. : ill.  a0.00