Determine the difference scores and ranks for the following set of matched-pairs data. Finally, calculate T for these data, and determine whether the T score is significant for a two-tailed test.

Participant Score 1 Score 2 1 12 15 2 10 9 3 15 14 4 17 23 5 17 16 6 22 19 7 20 30 8 22 25