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Solved: Efficiency of the Wilcoxon Signed-Ranks TestRefer

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 4 BSC Chapter 13.3

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 4 BSC

Problem 4BSC

Efficiency of the Wilcoxon Signed-Ranks TestRefer to Table 13-2 in Section 13-1 and identify the efficiency of the Wilcoxon signed-ranks test. What does that value tell us about the test?

Step-by-Step Solution:
Step 1 of 3

Problem 4BSC

The efficiency of Wilcoxon signed rank test is 0.95 from the table 13-2 (Efficiency: Comparison of Parametric and Nonparametric Tests table).

An efficiency of 0.95 suggests that Wilcoxon signed rank test for the data which do not follow any distribution is the best as it not only takes the signs of the differences into consideration but the ranks as well, thus reflect the true nature of the data.

Step 2 of 3

Chapter 13.3, Problem 4 BSC is Solved
Step 3 of 3

Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

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Solved: Efficiency of the Wilcoxon Signed-Ranks TestRefer