Six Sigma Green Belt

Answer: B - Accuracy in data describes how centered measurements are while precision describes how dispersed they are in comparison to actual variation.

Key Takeaway: Accuracy and precision are two descriptors of a measurement system. Accuracy in data describes how centered measurements are; for example, it measure how well data gathered from average production cycle times are centered in relation to actual variation. Precision, on the other hand, measures how widely spread or dispersed those measures are.