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 10 - Section 10.1 - Assess Your Understanding - Vocabulary and Skill Building - Page 483: 13

Answer

Left-tailed hypothesis test. The mean is being measured.

Work Step by Step

In the Alternative Hypothesis, the mean is less than 120. Hence its region is to the left of 120.

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