Huntsberger, David V.
Elements of statistical inference
Allyn and Bacon, 1970
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Johnson, Palmer O.
Introduction to statistical methods
Prentice-Hall, 1953
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Johnson, Palmer O.
Modern statistics methods : descriptive and inductive
Rand McNally, 1959
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Kendall, M.G.
Exercises in theoritical statistics with answers and hints on solutions
Griffin , 1968
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Games, Paul A.
Elementary statistics: data analysis for the behavioral sciences
McGraw-Hill, 1967
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