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April 2, 2015

April 2, 2015

Posted by **mZ. YoU** on Saturday, February 17, 2007 at 11:28am.

Absolute error is the difference between the experimental value and the actual value. Relative error, usually expressed as a percent, is the error relative to the correct value. For example,

ABSOLUTE ERROR:

We perform an analysis on a sample for Na. We find 34.0%. We turn in the results and the instructor tell us she made the samples and they were 36.0% Na. Absolute error is x

RELATIVE ERROR:

Same values as above.

relative error = [(34.0-36.0)/36.0]x100=5.56%

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