000 00330nam a2200133Ia 4500
008 221001s1992 xx 000 0 eng d
082 _a519.5 GUP
100 _aGupta, S. P.
245 0 _aElementary statistical methods
250 _a9th ed.
260 _aNew Delhi
_bSultan Chand
_c1992
300 _aiv, 614p.
942 _2ddc
_cBK
999 _c11743
_d11743