Elementary Statistics (12th Edition)

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

Chapter 1 - Introduction to Statistics - 1-2 Statistical and Critical Thinking - Basic Skills and Concepts - Page 12: 6

Answer

There is less potential for bias.

Work Step by Step

The DHHS (Department of Health and Human Services) has a good track record on these studies, as they have been found to be very impartial.
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