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: 29

Answer

The mean monthly cell phone bill is different from $\$47.47$.

Work Step by Step

If we reject the Null Hypothesis, we have sufficient evidence that the mean monthly cell phone bill is different from its 2010 level of $\$47.47$.

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