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Table B–8. Estimated Measures of Reliability for Export Shipment Characteristics by Selected State of Origin: 2002

[Estimates are shown as percents and are based on data from the 2002 Commodity Flow Survey]

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State of origin Value Tons
CV 02 Std. error of percent CV 02 Std. error of percent
Total 4.9 – 11.8 –
California 22.8 2.9 15.0 0.7
Florida 15.3 0.6 10.4 0.2
Georgia 17.2 0.5 23.1 0.4
Illinois 8.9 0.3 26.9 0.9
Indiana 12.2 0.4 28.4 0.5
Kentucky 48.0 1.3 S S
Louisiana 19.2 0.7 25.8 5.2
Michigan 13.2 0.5 22.0 1.2
Minnesota 14.0 0.3 28.3 0.9
New Jersey 14.9 0.4 S S
New York 18.7 0.7 24.8 0.3
Ohio 23.9 1.5 21.3 0.9
Oregon 42.5 0.8 26.2 0.4
Pennsylvania 13.7 0.5 26.9 0.6
Texas 10.2 0.5 15.4 1.2
Virginia 17.1 0.3 32.3 0.5
Washington 18.4 0.5 34.9 1.3
West Virginia 14.3 – 32.0 0.9
Wisconsin 11.6 0.2 36.2 0.9
Wyoming 21.2 – 28.2 0.5
All other states 5.5 1.4 10.7 1.5

KEY:
– 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.
Research and Innovative Technology Administration (RITA) • U.S. Department of Transportation (US DOT)
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