Wonnacott, Thomas H., 1935- Introductory statistics for business and economics/ Thomas H. Wonnacott and Ronald J. Wonnacott. - New York: Wiley, [1972]. - xviii, 622 p.: 24 cm. ISBN: 0471959723 LCCN: 74037785 Subjects--Topical Terms: Statistics. Dewey Class. No.: 519.5 / W872i