Nonparametric statistics for the behavioral sciences / Sidney Siegel, N. John Castellan, Jr. Siegel, Sidney, 1916-1961. Castellan, N. John, 1939- Psychometrics. Nonparametric statistics. Social sciences Statistical methods. BF39 .S464 1988 519.8 19 SIN Includes indexes. Bibliography: p. 313-316. New York : McGraw-Hill, c1988. c1988. 1988 Text xxiii, 399 p. : eng