Chemistry (4th Edition)

Published by McGraw-Hill Publishing Company
ISBN 10: 0078021529
ISBN 13: 978-0-07802-152-7

Chapter 1 - Section 1.5 - Uncertainty in Measurement - Checkpoint - Page 22: 1.5.3


(c) green, purple

Work Step by Step

Accuracy measures how close the values are to the true value. In this case, the true value is the line of the graph, so the set of data with greater accuracy is the green one. Precision tells how close multiple measures of the same set of data are to one another, thus, the purple set has the best precision.
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