Basic statistics [by] Dick A. Leabo. Leabo, Dick A. (Dick Albert) Smith, C. Frank, 1916- Basic statistics for business economics. Statistics. HA29 .S578 1972 311 LEB First ed. (1960) by C. F. Smith and D. A. Leabo, and rev. ed. (1964) by D. A. Leabo and C. F. Smith, published under title: Basic statistics for business economics. Includes bibliographies. Homewood, Ill., R. D. Irwin, 1970. 1970. 1972 Text xix, 668 p. eng