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Table 4 Descriptive statistics for quartiles of initial levels of shotspotter incidents within 500 ft

From: The impact of gunshots on place-level business activity

Variable Quartile Obs Mean Std. Dev Min Max
ShotSpotter incidents 500 ft 1 155 3.71 1.75 0 6
ShotSpotter incidents 500 ft 2 217 10.00 2.01 7 13
ShotSpotter incidents 500 ft 3 230 17.46 2.79 14 23
ShotSpotter incidents 500 ft 4 235 41.25 18.63 24 122