000			00392n a2200169 a 4500
000			B B
001			006591
005			20220201171730.0
082			_a519.5
100			_aGupta, C B
245			_aAn introduction to stratistical methods
250			_a17th
260			_aDelhi _bVikas Publishers _c1990
300			_ax,758,xxviip.
690			_aStatistcs,Mathematics
908			_aG
999			_c6591 _d6591