Fundamentals of Statistics contains material of various lectures and courses of H. Lohninger on statistics, data analysis and here for more.

Literature References - Numerical Methods

[Mathews 1992]  J. H. Mathews
Numerical Methods for Mathematics, Science and Engineering, Second Edition
Prentice-Hall: Englewood Cliffs, NJ, 1992. 
[Press 1992]  W. H. Press, B. P. Flannery, S. A. Teukolsky and W. T. Vetterling
Numerical Recipes in FORTRAN: The Art of Scientific Computing, Second Edition
Cambridge University Press: Cambridge, England, 1992