McKillup, Steve
Statistics explained : an introductory guide for life sciences
Cambridge University Press, 2011
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Hansen, Kermit O.
Managerial statistics
Prentice-Hall, 1955
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Hoel, Paul Gerhard, 1905-
Elementary statistics
John Wiley & Sons, 1962
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Fox, William
Social statistics
MicroCase Coorporation, 1995
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McCormick, Thomas Carson, 1892-
Elementary Social Statistics
McGraw-Hill, 1941
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