Meaning of Accuracy

What is Accuracy:

Accuracy is the quality of conforming or approaching what is considered true.

The word accuracy derives from the Latin exactly which means something punctual, and has the suffix -tud which indicates quality.

Accuracy is a correct and true definition of something. For example, “The experts accurately defined the consequences of the crisis.”

In the sciences, accuracy refers to how close the measured results are to the reference value, called the true value. As an example, we can consider that accuracy is how close a dart is to the target.

In any research project, based on the scientific method, a sufficient amount of data and results must be collected to corroborate the accuracy of the proposed hypothesis.

See also Research Project.

Synonyms of accuracy are similarity, correspondence, veracity, certainty, punctuality.

Accuracy of measuring instruments

Accuracy in measurement instruments refers to the degree of closeness that the measured results have with the reference value, also called the true value or true magnitude.

The accuracy depends on the quality of the calibration of the instrument that is studied by metrology. The accuracy of the results are precise, but the precise results are not necessarily exact, since the results may be concentrated but far from the real value.

Accuracy and precision

In general terms, accuracy and precision are used as synonyms. In science, engineering, and metrology, these terms have different meanings.

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Accuracy indicates a result that is close to the reference value or also called real value or real magnitude. The closer to the real value, the more accurate the results.

Precision refers to the degree of dispersion of the results, the less scattered the greater the precision.

See also:

  • Precision.