Statistics: Informed Decisions Using Data (4th Edition)

by Sullivan III, Michael

Published by Pearson

ISBN 10: 0321757270

ISBN 13: 978-0-32175-727-2

Chapter 11 - Section 11.3 - Assess Your Understanding - Applying the Concepts - Page 565: 25d

Answer

Since Professor Stephen Zuro did not recruit volunteers, he assumed that the students randomly enrolled in each of the two classes.

Work Step by Step

This means that students in both classes are supposed to be of the same level.

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