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 640: 26.33a

Answer

$H_{0}: Correlation = 0$ $H_{a}: Correlation > 0$ Using Minitab for given data we have: r = 0.814 P < 0.004 n = 30, df = 28 t = 4.06 Hence we reject Null hypothesis and there is good evidence that correlation is quite strong.

Work Step by Step

Given above
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.