[LNT] r207898 - Use Mann-Whitney U test to identify changes

[Anton Korobeynikov]

> If we are using significance table, we can no longer calculate p values,
> right? Is there any algorithm to calculate p value for all sample sizes?
We would just need to fix the threshold (say, 0.05 or 0.1 or 0.01).
Also, we can have like 2 or 3 tables for various thresholds. This
should be enough for all the practical purposes.

-- 
With best regards, Anton Korobeynikov
Faculty of Mathematics and Mechanics, Saint Petersburg State University