Siegel, Sidney
Nonparametric statistics for behavioral sciences
McGraw-Hill , 1988
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Siegel, Sidney
Nonparametric statistics for the behavioral sciences
McGraw-Hill, 1956
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Gravetter, Frederick J.
Statistics for the behavioral sciences
Thomson Learning, 2000
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Gravetter, Frederick J.
Statistics for the behavioral sciences
Wadsworth/Thomson Learning, 2004
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Kaplan, Robert M.
Basic statistics :for the behavioral sciences
Allyn and Bacon , 1987
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