Elementary Statistics: Picturing the World (6th Edition)

Published by Pearson
ISBN 10: 0321911210
ISBN 13: 978-0-32191-121-6

Chapter 1 - Introduction to Statistics - Section 1.1 An Overview of Statistics - Exercises - Page 8: 42

Answer

The numerical value 21.1 is a parameter.

Work Step by Step

Because the numerical value 21.1 is based on the average math score on the ACT for all the graduates, it is a population parameter. The population is the math score of all the graduates on their ACT.
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