Table B-3b. Estimated Measures of Reliability for Export Shipment Characteristics by Country of Destination: 2002 and 1997
[Estimates are shown as percents and are based on data from the 2002 Commodity Flow Survey]
|Country of destination||Value||Tons|
|CV 02||CV 97||Std. error of percent change 1997-2002||CV 02||CV 97||Std. error of percent change 1997-2002|
– Represents an estimate equal to zero or less than 1 unit of measure.
S Estimate does not meet publication standards because of high sampling variability or poor response quality.
CV Coefficient of variation of number
NOTE: The Introduction and appendixes give information on confidentiality protection, sampling error, nonsampling error, sample design, and definitions. Links to this information on the Internet may be found at www.census.gov/cfs.
SOURCE: Research and Innovative Technologies Administration, Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, Export Data, March 2005.