00488     2200181   4500001002100000005001500021035002000036008004100056245005600097100002300153260002100176300002700197084001600224082001000240650002800250990001400278990001400292INLIS00000000000304520260312093305  a0010-0317003043260312                           0      1 aElementary statistics concepts /cRonald E. Walpole1 aWalpole, Ronald E.  bMacmillan,c1976  aviii, 231hlm. ;c21 cm  a519.5 Wal e  a519.5  aStatistical mathematics  a028287212  a063182212