Variability Due to Sampling

These estimates are based on data collected by the Annual Social and Economic Supplement (ASEC) to the 2003 Current Population Survey (CPS), which is conducted by the U.S. Census Bureau. As with all surveys, the estimates may differ from the actual values because of sampling variation or other factors. For further information about the source and accuracy of the estimates, go to Appendix G (1.4MB .pdf)

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