Statistics: Informed Decisions Using Data (4th Edition)

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: 30

Answer

The standard deviation of the SAT score on the Critical Reading Test for all students taking the exam has not decreased from 112.

Work Step by Step

If we fail to reject the Null hypothesis, this implies that we do not have sufficient evidence that the standard deviation of the SAT score on the Critical Reading Test for all students taking the exam has decreased from 112.
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