The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 26 - Inference for Regression - Chapter 26 Exercises - Page 637: 26.25c

Answer

See below.

Work Step by Step

The null hypothesis, $H_0$ says that the slope is $0$ or in other words, there is no linear relationship between the variables. The alternative hypothesis, $H_a$ says the opposite, that the slope is not $0$ or in other words, there is a linear relationship between the variables.
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