Accuracy and Precision

What's the difference between Accuracy and Precision?
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Accuracy and precision are both terms used to describe the quality of measurements, but they have different meanings.

Accuracy refers to how close a measurement is to the true or expected value. It is a measure of how well a measurement reflects reality. For example, if a person weighs 70 kilograms and a scale accurately measures their weight as 70 kilograms, then the measurement is accurate.

Precision refers to how consistent or reproducible a measurement is. It is a measure of how well a measurement can be repeated under the same conditions. For example, if a scale consistently measures a person's weight as 70 kilograms every time it is used, even if the true weight is slightly different, then the measurement is precise.

So, accuracy measures how close a measurement is to the true value, while precision measures how consistent or reproducible a measurement is.

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