Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 1 - Introduction: Matter and Measurement - Additional Exercises - Page 38: 1.63b

Answer

Both data set are of the same precision.

Work Step by Step

First, calculate the average of each set. Set1:$(22.52+22.48+22.54)\div3=22.51$ Set2:$(22.64+22.58+22.62)\div3=22.61$ Next, calculate the absolute value of average deviations from each set. Set1:$(|22.52-22.51|+|22.48-22.51|+|22.54-22.51|)\div3=0.02$ Set2:$(|22.64-22.61|+|22.58-22.61|+|22.62-22.61|)\div3=0.02$ Both sets have the same average deviation, therefore they both display the same precision.
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