Answer
Not very useful.
Work Step by Step
In the sample, 10.3% of the variation can be explained by the quadratic model, and the model is not very useful because the percentage is not too high.
Elementary Statistics (12th Edition)
by Triola, Mario F.
Published by
Pearson
ISBN 10:
0321836960
ISBN 13:
978-0-32183-696-0
Chapter 10 - Correlation and Regression - 10-6 Nonlinear Regression - Basic Skills and Concepts - Page 554: 3
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