00445cam a2200157 i 4500020001500000082001700015100002700032245005200059250000800111260003200119300001200151490005900163654001500222700002700237700002300264  a025601797200a001.422bPFA1 aPfaffenberger, Roger C10aStatistical methods for business and economics   aNil  aHomewoodbR. D. Irwinc1977  a750 p. 0 aThe Irwin series in quantitative analysis for business  aStatistics1 aPfaffenberger, Roger C1 aPatterson, James H