Siegel, Sidney, 1916-1961.
Nonparametric statistics for the behavioral sciences.
- New York, McGraw-Hill, 1956.
- 312 p. illus. 24 cm.
- McGraw-Hill series in psychology .
56008185
Experimental design.
Social sciences--Research.
Nonparametric statistics.
H61 / .S57
311.2