Accuracy and precision - Wikipedia
https://en.wikipedia.org/wiki/Accuracy_and_precision
WEBAccuracy is how close a given set of measurements ( observations or readings) are to their true value . Precision is how close the measurements are to each other. In other words: Precision is a description of random errors (a measure of statistical variability ). Accuracy has two definitions, per ISO [1]:
DA: 59 PA: 54 MOZ Rank: 93