00557nam a2200193Ia 450000500170000000800410001704000190005804100120007708200150008910000200010424500650012425000120018926000440020130000310024550400190027665000370029570000210033285000100035320240423090438.0131103s9999    xx            000 0 und d  aLoreto College  aEnglish  a519.5bWAL  aWalker,Helen M.  aElementary staistical methodscHelen M.Walker and Joseph Lev  arev.ed.  aCalcuttabOxford & IBH Publishingc1965  axvi,302 p.b illus.,tables  aIncludes index  aCollection of General Statistics  aLev,Joseph,auth.  aLCLIB