Answer
From given scatter plot we observe that the relation is negative. This implies that average payoff increases with decrease in punishment. Hence, we can agree with the researchers.
Work Step by Step
Observe the given scatter plot
Statistics (12th Edition)
by McClave, James T.; Sincich, Terry T.
Published by
Pearson
ISBN 10:
0321755936
ISBN 13:
978-0-32175-593-3
Chapter 11 - Simple Linear Regression - Exercises 11.11 - 11.31 - Applying the Concepts - Basic - Page 562: 11.18c
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