Use the modified aggressiveness scores for twins (given in the table below)

to apply the Wilcoxon signed-rank test. What is the p-value?

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Twin #1 (First Born) Twin Set Aggressiveness Twin #2 (Second Born) Aggressiveness Paired Absolute Rank Difference Difference (sign) 1 85 88 13456789012 2 71 78 79 75 69 64 92 96 72 72 79 64 91 89 70 62 71 80 89 79 87 75 3445T0528902 -3 3 2(-) -7 7 6(-) 4 3.5 (+) 5 5(+) 15 15 12 40528202 3.5 (-) 11 (+) 1(+) 7 (+) 9 8(-) 10 9 (+) 12 10 (+)