00538pamaa2200169 4500 0000017120 20071001090000.0 0003223973 519.5 STA QA276.12 STA 1995 STATISTICS 1 for A and AS level National Extension College Trust ; edited by Gerald Westover. London: Collins Educational, 1995. vi, 169p.: 24cm. Advanced modular mathematics series Statistics Westover, Gerald National Extension College Trust