Smith, Lee H. Statistical analysis for business : a conceptual approach / Le e H. Smith, Donald R. Williams. - 2nd ed. - Belmount, California : Wadsworth Publishing Company, 1976. - xi, 803 p. : ill. ; 26 cm. Includes bibliographical references and index. ISBN: 0534003990 Subjects--Topical Terms: Commercial statistics. Dewey Class. No.: 519.5