Answer
a) 21.2 dollars b)10 dollars
Work Step by Step
a) The reasonable mean is approximately 21.2 dollars. b) The reasonable standard deviation is approximately 10 dollars.
Essentials of Statistics (5th Edition)
by Triola, Mario F.
Published by
Pearson
ISBN 10:
0-32192-459-2
ISBN 13:
978-0-32192-459-9
Chapter 3 - Statistics for Describing, Exploring, and Comparing Data - Review - Review Exercises - Page 128: 6
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