Table 2.
Empirical coverage rates for the Scheffé-style upper band applied to Abbott-adjusted Weibull models (rates based on 2000 simulated data sets, nominal α = 0.05). Model codes are from Table 1.
| Model | N=25 | N=50 | N=100 | N=300 | N=500 | N=1000 | N=5000 | N=10,000 |
|---|---|---|---|---|---|---|---|---|
| A | 1.0000 | 1.0000 | 1.0000 | 0.9960 | 0.9870 | 0.9855 | 0.9720 | 0.9690 |
| B | 1.0000 | 0.9995 | 0.9970 | 0.9835 | 0.9835 | 0.9690 | 0.9590 | 0.9540 |
| C | 1.0000 | 1.0000 | 1.0000 | 0.9965 | 0.9915 | 0.9855 | 0.9700 | 0.9670 |
| D | 0.9995 | 0.9960 | 0.9880 | 0.9740 | 0.9725 | 0.9700 | 0.9550 | 0.9580 |
| E | 1.0000 | 0.9995 | 0.9945 | 0.9870 | 0.9780 | 0.9680 | 0.9655 | 0.9610 |
| F | 0.9850 | 0.9795 | 0.9715 | 0.9630 | 0.9655 | 0.9600 | 0.9580 | 0.9575 |