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Accuracy and Precision
or „true“ value
Accuracy
is the closeness of agreement between a measured quantity and its “true
value.”
Trueness
is the closeness of agreement between the average value obtained from a
large series of test results and the accepted true value.
Accuracy and Uncertainty Considerations in Modern Radiation Oncology,
The Modern Technology of Radiation Oncology, J. Van Dyk, 2013