Question 8 (5 points) X wants to decrease 'traffic accidents' . A media campaign (an Intervention) was applied to the north side of the city, but not in the south side. The question Is wether there was a statistically significant drop in the number of traffic accidents dropped In the north side of the city as a result of the intervention. (5pts) 1. Identify IV and DV 2. State the measurement scale of each variable - also state how you would measure the variable 3. Complete the following statements: (a) I would use a Wilcoxon Rank Sum Test, under the following circumstance(s): (b) I would use a T-test for analysis, under the following circumstance(s)