Multiple Choice
Using the following data, the Wilcoxon Signed-Rank hypothesis test is used to test the hypothesis that the test results of a treatment after training are greater than the test results before the treatment. What is the sum of the ranks?
A) 41
B) 28
C) 19 and -7
D) 6 and 15
Correct Answer:

Verified
Correct Answer:
Verified
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