Answer
His is a matched-pair design as the reaction time of the same senior citizens is measured before and after treatment.
Work Step by Step
As given above.
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0321757270
ISBN 13:
978-0-32175-727-2
Chapter 1 - Review - Review Exercises - Page 60: 32a
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