00432n   a2200133 a 4500000002100000001000700021005001700028082002000045100001600065245013500081250001200216260004000228300003000268B B                 02664420220202123129.0  a519.5bP7;4 COM  aGupta, S.P.  aStatistical Methodsb(for B.Com (Hons) Ist yr .B.A. (Hons) Economics of Delhi University and Universities having similar syllabus)  a7th rev  aNew DelhibSultan Chand &Sonsc2007  a801,xixp.in various pages