Guthrie, Harold Woodson, 1920- Statistical methods in economics / by Harold W. Guthrie. - Homewood, Ill., R. D. Irwin, 1966. - xiv, 373 p. illus. 24 cm. - The Irwin series in economics . Bibliographical footnotes. Subjects--Topical Terms: Statistics. Dewey Class. No.: 330.0212 / GUS 1966