Question: 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

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)

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