00476nam a2200181Ia 4500008004100000020001500041041000800056041000800064082001600072100002200088245003800110260005200148300000800200365001400208440002800222650002100250650002300271140306s9999    xx            000 0 und d  a0070990085  aeng  amal  a519bSPI/TH  aSpiegel, Murray R  aTheory and problems of statistics  aNew YorkbMc Graw-Hill Publishing Companyc1981  a359  bRs.103.95  vSchaum's Outline Series  aCentral tendency  aCorrelation theory