Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 10 - Section 10.2 - Assess Your Understanding - Applying the Concepts - Page 494: 31a

Answer

Possible reasons for the change in approval: a. Different samples b. Policies and situation of that time c. Public sentiment

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Given above.
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