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 - Applying the Concepts - Page 483: 35c

Answer

Type-I error. p = 0.05 at a confidence level of 0.05.

Work Step by Step

It was falsely concluded that the mean consumption has increased, whereas, in fact it has decreased by 0.05 quarts. The hypothesis was tested at a 0.05 level of significance, so p = 0.05.
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