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 158: 5.51b

Answer

The least-squares line for predicting mean Mathematics SAT score from mean teacher salary is: MathSAT = 472.8 + 0.002022 (Avg. teacher salaries in 2013) This implies that Math SAT score will increase by 0.002 with each increase of $1 in teacher salaries on average.

Work Step by Step

In Minitab, select regression from the stats menu, and then select fitted line plot.
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