One Sample Tests - Nonparametric Statistics
            IMSL_CSTRENDS: Cox and Stuarts’ sign test for trends in location and dispersion.
            IMSL_NCTRENDS: Noehter’s test for cyclical trend.
            IMSL_SIGNTEST: Sign test.
            IMSL_TIE_STATS: Tie statistics.
            IMSL_WILCOXON: Wilcoxon rank sum test.
            Two or More Samples Tests- Nonparametric Statistics
            IMSL_COCHRANQ: Cochran’s Q test.
            IMSL_FRIEDMANS_TEST: Friedman’s test.
            IMSL_KTRENDS: K-sample trends test.
            IMSL_KW_TEST: Kruskal-Wallis test.