00311nam a2200121 a 450000500170000008200150001710000160003224500460004826000300009430000280012463000150015263000220016720251203091152.0  a519.5bGRE  aGrewal, P.S  aNumerical methods of statistical analysis  aNew DelhibSterlingc1987  axii,1029 p.b22 cm.cPB  aStatistics  aNumerical methods