00380nam a2200145Ia 4500008004100000082001400041100001700055245003700072260004800109300000800157650002000165650001500185653001500200700001900215170901s1963    xx            000 0 und d  a311bD19E  aDavid, F. N. 0aElementary Statistical Exercises  aCambridgebCambridge University Pressc1963  a108  aSocial sciences  aStatistics  aStatistics  aPearson, E. S.