When running the Wilcoxon Signed-Ranks Test, which of the following is the correct procedure for rank ordering the raw scores. Note: n1 = n2 = 10
a. Combine and arrange the two sets of scores in order from smallest to largest (1 - 20).
b. Assign ranks to each set of scores (1 - 10 for Group 1 and 1 - 10 for Group 2).
c. Rank the absolute values of the difference scores from lowest to highest.
d. Rank the scores from 1 - 20 and assign each score a + or a - value.
e. None of the above.
Ans: c
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