Saturday, January 14, 2012

How to calculate a percentage error when given an accuracy degree?

I have an absorbance reading of 0.639

The instrument i was using is accurate to +/-0.02



I need to calculate the approximate percentage error for my reading. Please let me know how you get the answer!

ThanksHow to calculate a percentage error when given an accuracy degree?
percentage error on reading = error divided by reading times 100



0.02 / 0.639 *100 = +/- 3.1%

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