## Statistics (12th Edition)

Published by Pearson

# Chapter 9 - Inferences Based on Two Samples - Exercises 9.1 - 9.29 - Applying the Concepts - Basic - Page 423: 9.13b

#### Answer

The Null hypothesis is that there is no significant difference in mean socres. Hence: $H_{o}: µ_{1} = µ_{2}$ or $µ_{1} - µ_{2} = 0$ $H_{a}: µ_{1} > µ_{2}$ or $µ_{1} - µ_{2} > 0$

#### Work Step by Step

As above

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