Experienced project managers always tell that accuracy and precision are not the same. Precise measurements may not be accurate and accurate measurements may not be precise. Which of the following statements about the precision and accuracy are CORRECT?

A. Accuracy means the degree to which a set of inherent characteristics fulfill requirements and Precision means a category assigned to products or services having the same functional use but different technical characteristics B. Accuracy means the values of repeated measurements are clustered and Precision means the measured value is close to the actual value C. Precision means the degree to which a set of inherent characteristics fulfill requirements and Accuracy means a category assigned to products or services having the same functional use but different technical characteristics D. Precision means the values of repeated measurements are clustered and Accuracy means the measured value is close to the actual value