Which term describes the difference between the measured value and the true value?

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Prepare for the Laboratory Quality Control Test with multiple choice questions and detailed explanations. Enhance your knowledge in quality assurance and laboratory standards. Ace your exam!

Multiple Choice

Which term describes the difference between the measured value and the true value?

Explanation:
Understanding how measurement accuracy relates to deviation from true value. Accuracy is about how close a measurement is to the true value, a property of closeness to reality. The difference between what you measure and the true value is the measurement error, and in QA terminology this gap is described as inaccuracy. So inaccuracy captures how far off the measurement is from the truth. Precision and CV, by contrast, describe repeatability and variability, not how close you are to the true value.

Understanding how measurement accuracy relates to deviation from true value. Accuracy is about how close a measurement is to the true value, a property of closeness to reality. The difference between what you measure and the true value is the measurement error, and in QA terminology this gap is described as inaccuracy. So inaccuracy captures how far off the measurement is from the truth. Precision and CV, by contrast, describe repeatability and variability, not how close you are to the true value.

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