00425nam a2200169Ia 4500020001500000082001600015100001500031245004300046250000900089260002000098300000900118650001500127700001600142942000700158999001500165952007500180  a8125911103  a519.5 GUP/I  aGupta, C B 0aAn Introduction To Statistical Methods  a22nd  bVikasaNewdelhi  a807p  aStatistics  aVijay Gupta  cBK  c3320d3320  001040708STAaGBCTLbGBCTLcF21d2021-02-04o519.5 GUP/Ip31247yBK