Answer
0.95.
Work Step by Step
By using the table, the efficiency rating: 0.95, which means that the test is very efficient even in the case of the data being normally distributed.
Elementary Statistics (12th Edition)
by Triola, Mario F.
Published by
Pearson
ISBN 10:
0321836960
ISBN 13:
978-0-32183-696-0
Chapter 13 - Nonparametric Statistics - 13-3 Wilcoxon Signed-Ranks Test for Matched Pairs - Basic Skills and Concepts - Page 654: 4
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