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Re: what good is "percentage error"?



Don has suggested that absolute error is more meaningful than percent
error, and gave some examples having to do with temperature and index of
refraction.
I seems to me that like any tool percent error can be missused. However
it does, in the proper context provide language for discussing an
important concept...how we assess the results of real activities...in a
way that opens the door for more detailed discussions. That seems to me
to be of pedagogical value.

cheers