Pfaffenberger, Roger C. Statistical methods for business and economics Roger C. Pfaffenberger and James H. Patterson. - 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 //r79 Subjects--Topical Terms: Statistics LC Class. No.: HA29 / .P5 Dewey Class. No.: 519.5