Kraft, Charles H. 1924- A nonparametric introduction to statistics/ [by] Charles H. Kraft and Constance van Eeden. - New York: Macmillan, [1968]. - x, 342 p.: illus., 24 cm. LCCN: 68013213 //r86 Subjects--Topical Terms: Statistics.Probabilités. Dewey Class. No.: 519.2 / K89n