000 00261nam a2200121Ia 4500
082 _a519.5 GUP/P
100 _aGupta, S.P
245 0 _aPractical Statistics
260 _bS. Chand And Co
_aNew Delhi
_c1993
300 _a563p
650 _aStatistics
942 _cBK
999 _c2545
_d2545