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To: dougSF30 who wrote (226573)	2/21/2007 6:24:25 PM
From: TimF	Respond to of 275872

Tim, the geometric average is an unacceptable methodology if you don't exclude outliers. I would agree that you shouldn't make it the main point of your statement you don't exclude outliers where the extreme difference in performance isn't and important consideration. Assuming the benchmark wasn't bogus, I would see no objection to having the geometric average as one of many data points, as it is in this PDF. I know you think it was bogus (and I don't even really go as far as to assume its not, although I don't assume it is), but I'm drawing a distinction between presenting bogus data (or real data from a bogus test) and using the geometric average. The first is clearly a problem.