Literatur
Statistical Tests

[Barnett 1994]	V. Barnett, T. Lewis, V. Rothamsted Outliers in Statistical Data New York: Wiley, 1994
[Bortz 1990]	J. Bortz, G.A. Lienert, K. Boehnke Verteilungsfreie Methoden in der Biostatistik Berlin: Springer, 1990 An excellent book on distribution free methods, offering a in-depth discussion of the most common distribution free tests; in German language.
[Efron 1998]	B. Efron, R.J. Tibshirani An Introduction to the Bootstrap CRC Press, 1998 The classical book on bootstrapping techniques.
[Sheskin 2007]	D.J. Sheskin Handbook of Parametric and Nonparametric Statistical Procedures Boca Raton: Chapman & Hall 2007