Participants took an exam to determine their health knowledge before and after completing their diet and exercise program. Use the Wilcoxon signed rank test to determine if there is a difference between the two education scores.

education_after	education_before
9.6	5.8
10.5	5.9
9.7	6
12	6.2
10.4	6.5
10.1	6.8
9.6	7
7	6
9.2	6.1
10.3	7.5
10.5	7.5
10.4	7
6.7	8.6
7.7	8.7
8.8	8.9
12	9.4