TY - BOOK AU - Leach Chris TI - Introduction to statistics: a nonparametric approach for the social sciences SN - 0471997420 U1 - 519.5 PY - 1979/// CY - Chichester PB - John Wiley & Sons KW - Nonparametric Statistical Tests KW - Statistical Tests KW - Statistics N2 - Statistics, Statistical Tests, Nonparametric Statistical Tests ER -