Neiswanger, William A. Laboratory manual for elementary tatistical methods as applied to business and economic data / William A. Neiswanger , Floyd B. Haworth and William L. Leavitt - New York : Macmillan , 1944 - 157p.: ills.; 28 cm. Includes index. Includes bibliographical references Subjects--Topical Terms: Statistics Dewey Class. No.: 311 / NEI