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Statistik : eine verständliche Einführung
Kuckartz, Udo, (2010)
Introduction to business statistics
Weiers, Ronald M., (1998)
A first course in business statistics
MacClave, James T.,
Concise managerial statistics
Kvanli, Alan H., (2006)
A comparative study of the reliability of nine statistical software packages
Keeling, Kellie B., (2007)
FEATURES - In the Classroom. - "Simplified Procedure for Implementing Nonparametric Tests in Excel,"
Pavur, Robert J., (2002)