Guthrie, Harold W. 1920- Statistical methods in economics / Harold W. Guthrie. - Homewood : R. D. Irwin, 1966. - xiv, 373 p. : ill. ; 24 cm. - The Irwin series in economics . - Irwin series in economics. . Bibliographical footnotes. Subjects--Topical Terms: Statistics. Dewey Class. No.: 310 / GUS 1966