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Get Full Access to Elementary Statistics - 12 Edition - Chapter 13.3 - Problem 4 bsc
Get Full Access to Elementary Statistics - 12 Edition - Chapter 13.3 - Problem 4 bsc

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# Solved: Efficiency of the Wilcoxon Signed-Ranks TestRefer

ISBN: 9780321836960 18

## Solution for problem 4 BSC Chapter 13.3

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?

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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

Step 3 of 3

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