2.3 Accuracy vs Precision

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Accuracy

Accuracy is the degree to which a measurement corresponds to the ‘true’ value.

Precision

Precision - Of or relating to how close multiple measurements of the same value are to each other (unrelated to how close they are to the true value). Related to the repeatability of a measurement.

accurate and precise

Accurate and Precise

precise not accurate

Precise, not Accurate

neither accurate nor precise

Neither Accurate nor Precise