00273nam a2200097Ia 4500008004000000082001500040100002300055245004200078260004300120300001200163210210b1970   xxu||||| |||| 00| 0 eng d  a519.5 CHAB  aCHAMPION (Dean J).  aBasic statistics for social research.  aAmericabChandler Publishing co.c1970  axvi,310