Answer
The relationship between No. Gallons Processed and % Lead Removed appear to be non-linear.
Work Step by Step
Observe the scatter plot. The points appear be on a slight curve upward.
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 - Section 4.3 - Consumer Reports - Fit to Drink - Page 234: b
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