Posted by **Jules** on Tuesday, August 28, 2007 at 8:22pm.

I have a lab where for accuracy I got -.32% and for precision I got 100.6%? What does that mean?

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**bobpursley**, Tuesday, August 28, 2007 at 8:29pm
Both are pretty good. Accuracy is off less than a third of one percent, and precision is almost perfect. I am wondering how you measured and calculate precision, but you did get near one hundred percent of the expected value.

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