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To begin your search, go to the alphabetical index below and click on the first letter of the word you are searching for.

accuracy, precision

Accuracy is a measure of how closely a fact or value approaches the true value and of the degree to which something is free of error.

Precision is a measure of the fineness of a value. Thus, 6.0201 is more precise than 6.02, but it may not be more accurate (if one of the last two digits is incorrect).