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Geography-related operations were an integral part of the preparations for the 1990 Decennial Census. The Statistical Research Division (SRD) was responsible for the design of the quality assurance program for many of the geographic operations. Much of our responsibilities involved devising quality control (QC) sampling plans to be used in assuring a desired level of accuracy for operations of interest. SRD also observed these geographic operations at field sites for the purpose of determining whether the QC program was being carried out in accordance with agreed-upon specifications.
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