A research team wants to test whether a new kind of physical therapy increases the mobility in stroke victims. Therefore the researchers measure the mobility of 20 stroke victims before and after the physical therapy method has been applied. Normal Distribution Values Time 1 Time Two Shapiro-Wilk statistic: 0.88 Shapiro-Wilk statistic: 0.99 p value: .052 p value: .039 Set level of significance: .05 Set level of significance: .05 Given the above information, which test would you chose for analysis of difference. Question 10 options: Mann-Whitney U test Wilcoxon signed-rank test Independent t test