Navidi, William Cyrus
Essential statistics / William Navidi, Barry Monk
NY McGraw-Hill Education, 2014
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Spiegel, Murray R.
Schaum's outlines: probability and statistics
McGraw-Hill, 2009
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Freund, John E.
Mathematical statistics
Prentice-Hall, 1980
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Runyon, Richard P.
Business statistics
Ill. Richard D. Irwin , 1982
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Allen, R.G.D.
Statistics for economics
Hutchinson University Library, 1972
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