Bullet-to
bullet variabilities are still only
a few percent
Table 3.5 Comparison of Within-Bullet and Within-Lot Standard Deviations (rounded to nearest percent)
0.4
0.2
1.3
0.9
1.1
Ratio of within-lot
to within-bullet
2%
1%
3%
2%
6%
Within-lots:
Randich et al.
5%
4%
2%
2%
5%
Within-bullet:
800-bullet data
21%
8%
42%
6%
71%
Between lots:
Randich et al.
Ag
Bi
Cu
Sb
As
Note: Five highly variable
lots for Cu were excluded.