00260nam a2200085Ia 4500008004000000082001500040100002400055245003900079260005600118210210b1981   xxu||||| |||| 00| 0 eng d  a519.5 SPIS  aSPIEGEL (Murray R).  aTheory and problems of statistics.  aSingaporebMcgraw hill international book co.c1981