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 , 1989
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Ferguson, George Andrew
Statistical analysis in psychology and education
McGraw-Hill, 1987
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Thurtone, L.L.
The fundamental of statistics
Macmillan, 1925
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Neter, John
Fundamental statistics for business and economics
Allyn & Bocon, 1956
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