Statistics: Informed Decisions Using Data (4th Edition)

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

Chapter 1 - Section 1.4 - Assess Your Understanding - Vocabulary and Skill Building - Page 37: 21

Answer

Stratified sampling.

Work Step by Step

There are four strata: the four parts of the day. Five Internet connection speeds from each strata are randomly selected.
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