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: 18

Answer

Stratified sampling.

Work Step by Step

Each of the five classes is a strata. Then, from each strata, a simple random sample was obtained. Thus, this is stratified sampling.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.