Which of the following terms refers to how close a measurement is to the true value?

• A. Accuracy
• B. Precision
• C. Random error
• D. Significant figures

Answer: (A)

Verified step by step guidance

1. Understand the definitions of the terms given: Accuracy, Precision, Random error, and Significant figures.
2. Accuracy refers to how close a measurement is to the true or accepted value.
3. Precision refers to how close repeated measurements are to each other, regardless of the true value.
4. Random error is the variability in measurements caused by unpredictable fluctuations during the measurement process.
5. Significant figures indicate the digits in a measurement that are known with certainty plus one estimated digit, reflecting the measurement's precision.