http://practicalstats.com/index.htmlPractical, Stat!enask@practicalstats.comCopyright 2009 Dennis Helsel2009-10-10T10:31:57-06:00 hourly 1 2000-01-01T12:00+00:00 Sat, 10 Oct 2009 10:27:53 -0600ask@practicalstats.comNondetects2009-10-10T10:31:57-06:00http://practicalstats.com/blog/files/a1c29f1c1be845a8fc74744b332d2b43-0.html#unique-entry-id-0http://practicalstats.com/blog/files/a1c29f1c1be845a8fc74744b332d2b43-0.html#unique-entry-id-0 ]]>