Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 1 - Review - Review Exercises - Page 59: 25

Answer

Stratified sampling

Work Step by Step

The population is divided into strata (sophomores, juniors and seniors) and then sampling is done randomly from each strata.
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