How are occupations chosen and why?
Occupations are chosen through probability selection. Probability selection of occupations (PSO) is designed to obtain a statistically representative sample of occupations for both a survey area and nationwide. The resulting data are weighted to represent all workers without bias. This PSO method allows for the possibility of publishing data for any job group, not just for those jobs on a preset list. NOTE: One of PSO limitations is that not all jobs published in one area will necessarily publish in another area.
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