00370nam a2200121 a 450000500170000002000150001708200210003210000190005324500610007226000480013330000270018163000400020820251203090809.0  a0521288029  a519.5024301bCLE  aClegg, Frances  aSimple statisticsba course book for the social sciences  aCambridgebCambridge University Pressc1982  aviii, 200p.c24 cm. PB  aSocial sciences-Statistical methods