Ferguson, George Andrew
Statistical analysis in psychology and education
McGraw-Hill , 1981
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Ferguson, George Andrew
Statistical analysis in psychology and education
McGraw-Hill, 1987
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Guilford, Joy Paul, 1897-1987
Fundamental statistics in psychology and education
McGraw-Hill, 1987
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Novick, Melvin R.
Statistical methods for educational and psychological research / Melvin R. Novick and Paul H. Jackson
McGraw-Hill, 1974
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Dixon, Wilfrid Joseph
Introduction to statistical analysis
McGraw-Hill, 1983
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