00777nam0-22002891i-450-990002554190403321000255419FED01000255419(Aleph)000255419FED0100025541920000920d1955----km-y0itay50------baENGElementary statisticsR. Clay Sprowls.New YorkMcGraw-Hill1955.xi, 392 p.24 cmStatisticaStatistica, Statisticateoria generale519Sprowls,R. Clay104056ITUNINARICAUNIMARCBK990002554190403321MXXIII-A-42036077MASMASElementary statistics437201UNINAING01