Chemistry (7th Edition)

Published by Pearson
ISBN 10: 0321943171
ISBN 13: 978-0-32194-317-0

Chapter 1 - Chemical Tools: Experimentation and Measurement - Worked Example - Page 18: 11

Answer

(a) The dartboard (c) has lower accuracy and precision. (b) The dartboard (b) has high accuracy and precision.

Work Step by Step

(a) Since all the darts are far from the objective (center), the accuracy is considered low, and since the 3 darts have not reached the same close spots ( the darts are not close to one another), the precision is also low. (b) Since all the darts are very close to the objective (center), the accuracy is considered high, and since the 3 darts have reached the same close spots (the darts are close to one another), the precision is also high.
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