000 00302nam a2200121 a 4500
082 _a519.5
_bGUP/E
100 _a Gupta,S.P
245 _aElementary statistical methods /
_cS.P. Gupta
260 _c1996.
_bS . CHAND& CO. LTD,
_aNew Delhi :
300 _a748p.:
_bpb.
650 _aStatistics
942 _cBK
999 _c19658
_d19658