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
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.