Answer
25.40 and 20.41 are parameters.
Work Step by Step
Since the values are means of classes (populations), they are parameters.
The Basic Practice of Statistics 7th Edition
by Moore, David S.; Notz, William I.; Fligner, Michael A.
Published by
W. H. Freeman
ISBN 10:
146414253X
ISBN 13:
978-1-46414-253-6
Chapter 15 - Sampling Distributions - Chapter 15 Exercises - Page 368: 15.26
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