000 003520000a22001570004500
060 _a100
082 _a519.5 GUP
100 _aGupta, C B
100 _aRatna, V
245 _aStatistical calculations
250 _a2
260 _aNewdelhi, Vikas Publishing House Pvt Ltd
260 _c1973
650 _aStatistics/ Probability
942 _cBK
999 _c354093
_d354093