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 7: 29

Answer

Population is the collection of hourly billing rates of all the law firms in the United States. Sample is the collection of hourly billing rates of 55 law firms being surveyed.

Work Step by Step

The question of interest is the average hourly billing rate of Law firms in the United States. So the population is the collection of hourly billing rates of all the law firms in U.S. and the sample is the collection of hourly billing rates of 55 law firms being surveyed.
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