Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 1 - Introduction to Statistics - Review - From Data To Decision - Page 40: 1


The design was flawed.

Work Step by Step

The problem with the experiment is that although there can be $6$ degrees of separation, nothing guarantees that anyone will know whoe to choose to reach the targeted person. Also a more random sample that included a larger part of the US population should have been used.
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