Ullman, Neil R.
Workbook to accompany Elementary statistics : an applied approach
John Wiley & Sons, 1978
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Ullman, Neil R.
Elementary statistics : an applied approach / Neil R. Ullman
John Wiley & Sons, 1978
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Bowley, Arthur
Elementary of statistics
Staples Press, 1948
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Johnson, Robert
Elementary statistics
PWS-Kent, 1984
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Freund, John E.
Modern elementary statistics
Pearson Prentice Hall, 2007
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