Essentials of statistics for business and economics / David R. Anderson, Dennis J. Sweeney, Thomas A. Williams. Anderson, David R. (David Ray), 1941- Sweeney, Dennis J. Williams, Thomas A. (Thomas Arthur), 1944- Social sciences Statistical methods. Commercial statistics. Economics Statistical methods. Statistics Problems, exercises, etc. HA29 .A587 2011 519.5 ANS Includes bibliographical references and index. Mason, OH : South-Western/Cengage Learning, 1977. 1977. 2011 Text xxvii, 683 p. : eng