stddev bug in util.py

[Peter Hansen]

Ted Nienstedt wrote:
> 
> The code was obtained from http://aima.cs.berkeley.edu/python/utils.html
> Perhaps I should have made that clear

Wouldn't it therefore make a lot more sense to send the problem report
directly to the authors, at the addresses under their home pages which
are listed at http://aima.cs.berkeley.edu/ ?

Or did you do that already, and just thought you ought to warn the rest
of us, too? ;-)

-Peter