S9 LIB  Convenience file to load statistics procedures.
        
        (load-from-library "cdf.scm")
        (load-from-library "erf.scm")
        (load-from-library "mean.scm")
        (load-from-library "median.scm")
        (load-from-library "mode.scm")
        (load-from-library "ndf.scm")
        (load-from-library "quartile.scm")
        (load-from-library "range.scm")
        (load-from-library "stddev.scm")

