=LDR 22 4500 =001 5272 =082 04$a519.5 GRA =100 1\$aGraham, Alan =245 10$aStatistics: bullet guide =260 \\$aLondon: UK :$bHodder Education,$c2011 =650 \0$aReserve =852 \\$bFreeman Library$h519.5 GRA