000 003930000a22001570004500
060 _a100
082 _a519.5 GUP
100 _aGupta, S C
100 _aIndira, Gupta
245 _aPractical statistics
260 _aBombay, Himalaya Publishing House
260 _c1992
300 _a1066
650 _aPractical statistics/ Frequency distribution/ Averages/ Disperssion
942 _cBK
999 _c209186
_d209186