Table 2. Block group socio-demographic characteristics

Variables N Mean Standard deviation Lower 10% percentile Higher 10% percentile
Minority(%) 457 42.61 27.90 10.95 87.73
Income($1000) 457 51.88 26.98 25.49 92.79
Median housing value($1000) 457 138.82 91.98 64.00 261.30
Unemployment(%) 457 4.21 3.74 0.90 8.53
Female-headed family(%) 457 21.46 17.03 3.21 43.16
Teenage school dropout(%) 457 15.56 20.78 0.00 46.38
Welfare receipt(%) 457 1.89 2.90 0.00 7.12
Population density per acre 457 32.55 225.03 2.23 16.61