For those interested in some graphical tests of pseudo-random-number
generators, I did some work on that close to two decades ago. But the
article and the Mathematica code might still be of interest to
teachers and their students..
Richard L. Bowman, "Evaluating Pseudo-random Number Generators,"
Comput. & Graphics, 19, 315-324 (1995).
It was also later re-published in:
R.. L. Bowman, "Evaluating Pseudo-Random Number Generators," reprinted
in: C. A. Pickover, ed., Chaos and Fractals: A Computer Graphical
Journey (Ten Year Compilation of Advanced Research), Elsevier, 1998.
Richard L. Bowman
Prof. of Physics, Emeritus
Bridgewater College
Bridgewater, VA, USA