Thread: 2015 Mustang
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Old 03-18-2013, 05:48 PM   #344
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Join Date: Mar 2009
Location: Rochester, MN
2014 EvoX GSR


Originally Posted by samagon View Post
I fell victim to one of the classic blunders - The most famous of which is "never get involved in a land war in Asia" - and slightly less well-known is: "Never go against a Sicilian when death is on the line" - but even more slightly less well known is this: "never calculate arithmetic mean when you should be calculating harmonic mean"
What I don't get though, is why is harmonic mean more appropriate than typical arithmetic in this case. Using harmonic just guarantees a lower than what should be expected average. All it does is make the estimate more conservative in terms of the MPG model...
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