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 562: 10b

Answer

Since the sample sizes are not large enough ($n_1=n_2=20\lt30$), the populations' walking speed must be normally distributed.

Work Step by Step

Given above.

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