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