Table 5.
Point Estimator (sampling method) | Within a factor of 1.5 of the actual DEa | Within a factor of 2 of the actual DEb | Within a factor of 3 of the actual DEc | |||
---|---|---|---|---|---|---|
Percent | Percent of those within factor that are too low | Percent | Percent of those within factor that are too low | Percent | Percent of those within factor that are too low | |
SH/Sal-BS (without replacement) | 78.1 | 45.8 | 83.7 | 46.2 | 88.3 | 47.0 |
VH/Sal-BS (without replacement) | 83.5 | 46.6 | 91.8 | 47.3 | 97.5 | 48.0 |
SS/SS-BS (without replacement) | 92.9 | 51.3 | 98.6 | 51.0 | 99.8 | 51.0 |
VH/Sal-BS (with replacement)* | 56.9 | 79.4 | 79.9 | 82.8 | 93.5 | 84.5 |
Between 66% and 150% of the actual DE
Between 50% and 200% of the actual DE
Between 33% and 300% of the actual DE
Point estimator and sampling method used in Goel and Salganik 2010