00322nam a22001217a 450000500170000002000230001703500130004003700130005310000190006624500570008526000330014230000250017520120223144042.0  a8122500331c120.00  aA-899730  aDPLbENG  aElhance, Veena  aPractical problems in statistics /cby Veena Elhance  aNew DelhibKitab Mahalc1997  aviii, 623p.c18 cms.