The Basic Practice of Statistics 7th Edition

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

Chapter 5 - Regression - Chapter 5 Exercises - Page 154: 5.33b

Answer

Beak heat loss at 25 degree Celsius will be 52.5% on average.

Work Step by Step

Putting x = 25 in least squares equation, we have: $\hat y = 0.919 + 2.0647(25) = 52.5$
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