000			00283nam a2200121Ia 4500
100			_aGupta, C. B.
942			_cBK
245			_aIntroduction to statistical methods 17th ed
260			_aDelhi _bVikas _c1983
082			_a311 _bGup
300			_ax,522,120, xxviii
546			_aEnglish
999			_c328507 _d328507
041			_aeng