Answer
$R^2=89.1$%
It means that 89.1% of of the variability is explained by the least-squares regression line.
Work Step by Step
$R^2=r^2=0.944^2=0.891=89.1$%
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0321757270
ISBN 13:
978-0-32175-727-2
Chapter 4 - Review - Review Exercises - Page 247: 10a
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