00318nam a2200121Ia 4500082001900000100004300019245003000062250000800092260003500100300002100135500000500156700003500161  a519.5bF889.MS  aFreund, John E. and Walpole, Ronald E.  aMathematical statisticsb  a4th  aNew DelhibPrentice-Hallc1990  axiv, 608p. Index  a  aWalpole, Ronald E. ; jt. auth.