Pfaffenberger, Roger C., 1943- Statistical methods for business and economics / - Homewood, Ill. : R. D. Irwin, 1977. - xvii, 750 p. : ill. ; 25 cm. - The Irwin series in quantitative analysis for business . Includes bibliographies and index. ISBN: 0256017972 LCCN: 76028895 Subjects--Topical Terms: Statistics. LC Class. No.: HA29 / .P5 1977 Dewey Class. No.: 519.5