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qualitycontrol-131
ANALYTICAL VARIABLES — The text defines TRUENESS and ACCURACY as related but distinct concepts. What is the CORRECT definition of ACCURACY according to the text?
A. Accuracy is the closeness of agreement between replicate measurements
B. Accuracy is the same as precision in clinical laboratory testing
C. ACCURACY IS THE DEGREE OF AGREEMENT BETWEEN A MEASURED VALUE AND ITS TRUE VALUE; statistically represented by ANALYTICAL BIAS, defined as the percentage of the difference between measured value and true value
D. Accuracy is only relevant for immunological tests, not chemistry tests
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