Ezekiel, Mordecai, 1899- Methods of correlation and regression analysis : linear and curvilinear / [by] Mordecai Ezekiel [and] Karl A. Fox. - 3d ed. - New York : Wiley [1959] - xv, 548 p. illus. 24 cm. First published in 1930 under title: Methods of correlation analysis. Includes bibliographical references and indexes. Subjects--Topical Terms: Correlation (Statistics)Regression analysis. LC Class. No.: HA31 / .E94 1959