Now I suppose somebody is going to tell me that this given straight line was derived from a least squares error calculation; that being at least one of the more obvious things to do. (wattsupwiththat.com)
Produced a Percent Error calculation tool that highlighted raw material parts with improvement opportunities. (livecareer.com)
However, the error calculation is predicated on a null hypothesis which we know to be false; under such circumstances a better estimate of the error range is the FWHM in a Fourier transform. (realclimate.org)