Assignment 5-2

Patterns: Housing complaints are centered in urban Pittsburgh, but also spread to municipalities along the river. Distant municipalities have fewer complaints because they are most likely newer houses.

Mean number of housing complaints for census tracts that have 50 or more cases of elevated blood lead levels: 214Total number of housing complaints for census tracts that have 50 or more cases of elevated blood lead levels: 708

Mean number of housing complaints for census tracts that have zero cases of elevated blood lead levels: 33Total number of housing complaints for census tracts that have zero cases of elevated blood lead levels: 188

Higher blood lead levels cause more house complaints.

Municipality with highest number of housing complaints: Pittsburgh CityThree municipalities in northeast Allegheny County with a high number of housing complaints (over 50): Tarentum Borough, Brackenridge Borough, Harrison Township.