Figures & data
Table 1. Estimated fraction nonconforming in defects per million (DPM)
Figure 1. Original (—) and shifted distribution (—).
Figure 2. Original (—) and increased variance distribution (—).
Figure 3. Observed and Johnson distribution.
Table 2. The effect of parameter changes on the nonconformance rate and net sensitivity
Figure 4. Individuals control chart with Weibull UCLp (95%) one-tail.
Figure 5. Observed distribution and estimated failure rate.
Figure 6. The 3-sigma “worst-case” mean shift failure rate.
Figure 7. Process control chart.
Figure 8. Observed process distribution vs. the USL.
Figure 9. Process change model.
