00307nam a2200109 a 450000500170000008200150001710000240003224500610005626000220011730000180013949000400015720251203090710.0  a519.5bSPI  aSpiegel, Murrary R.  aTheory and Problems of Statistics, Murray R.Spiegel, eng  aMcGraw-Hillc1981  a359p.c22 cm.  aSchaum's Outline Mcgraw-Hill Series