Test the hypothesis that there is no significant difference in systolic blood pressure before and after running the marathon.

Wilcoxon Signed Ranks Test Ranks Sum of N Mean Rank Ranks Systolic BP After running Negative Ranks 35 70.94 2483.00 Marathon - Systolic BP Before running Marathon Positive Ranks 265 161.01 42667.00 Ties Total 300 a. Systolic BP After running Marathon Systolic BP Before running Marathon c. Systolic BP After running Marathon = Systolic BP Before running Marathon Test Statistics Systolic BP After running Marathon- Systolic BP Before running Marathon -13.361 Asymp. Sig. (2-tailed)