Dataset: gsr_summ.dat

Source: H. Brown, D.M. Cauchi, J.L. Holden, F.C.L. Allen, S. Cordner, and
P. Thatcher (1999). "Image Analysis of Gunshot Residue on Entry Wounds II -
A Statistical Estimation of Firing Range," Forensic Science International,
Vol. 100, pp.179-186

Description: Mean (SD) area of gunshot residue on skin tissue of pig after
gunshots of 7 distances (30 reps per distance) from a Ruger .22 gun

Variables/Columns
Distance (cm)   4-8
# of replicates   15-16
Mean Area (sq \mu m)   18-24
SD Area          26-32