Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321755936
ISBN 13: 978-0-32175-593-3

Chapter 9 - Inferences Based on Two Samples - Exercises 9.30 - 9.50 - Learning the Mechanics - Page 436: 9.36a

Answer

$H_{o}: µ_{d} = 0$ $H_{a}: µ_{d} < 0$

Work Step by Step

The Null hypothesis should contain an equality. Hence: $H_{o}: µ_{d} = 0$ $H_{a}: µ_{d} < 0$
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