Basic statistics for social research : step-by-step calculations and computer techniques using Minitab / Duncan Cramer. Cramer, Duncan, 1948- Minitab for Windows. Social sciences Statistical methods. Social sciences Data processing. HA29 .C7747 1997 519.5 20 CRB Includes bibliographical references and index. London ; New York : Routledge, 1997. 1997. 1997 Text xviii, 401 p. : http://www.loc.gov/catdir/enhancements/fy0649/96011415-d.html eng