00278nam a2200133Ia 4500020000900000082000800009100003900017245003100056250000600087260002600093300000800119500000800127650000900135  aNULL  a519  aRickmers, A. D. / Todd, Hollis N.  0aStatistics An Introduction  a-  aNew YorkbMcgraw Hill  a585  a196  a-NA-