Download the file “Sustainability__2010-2013_Baltimore”, which has Baltimore data. Is dirtyst12 (rate of dirty streets and alleys Reports per 1000 residents) a good predictor of voted12 (% of population over 18 who voted)?
a) Construct a scatterplot. Interpret.
b) Perform inference at 5% significance.
c) Check residual plots to assess assumptions required for inference. Interpret.