Table 3 Factors levels.
From: Economic statistical model of the np chart for monitoring defectives
Factors | Low level | High level |
|---|---|---|
\({p}_{0}\) | 0.01 | 0.05 |
\({\delta }_{max}\) | 5 | 10 |
Ď„ | 300 | 600 |
\(r\) | 50 | 100 |
b | 0.5 | 1 |
c | 0.01 | 0.09 |
M | 1000 | 10,000 |
W | 50 | 300 |
T | 100 | 500 |
\(\varepsilon\) | 0.01 | 0.05 |
e | 0.025 | 0.125 |
D | 1 | 3 |
