Table B-5b. Estimated Measures of Reliability for Export Shipment Characteristics by Commodity Group: 2002 and 1997

[Estimates are shown as percents and are based on data from the 2002 and 1997 Commodity Flow Surveys]

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Table 2b. Export Shipment Characteristics by Domestic Mode of Transportation: 2002 and 1997

[Estimates are based on data from the 2002 and 1997 Commodity Flow Surveys. Because of rounding, estimates may not be additive]

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Table 5c. Export Shipment Characteristics by Commodity Group: Percent of Total for 2002 and 1997

[Estimates are based on data from the 2002 and 1997 Commodity Flow Surveys. Because of rounding, estimates may not be additive]

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Table B-2c. Estimated Standard Error of Percentage for Export Shipment Characteristics by Domestic Mode: Percent of Total for 2002 and 1997

[Estimates are shown as percents and are based on data from the 2002 and 1997 Commodity Flow Surveys]

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Table 3a. Export Shipment Characteristics by Country of Destination: 2002

[Estimates are based on data from the 2002 Commodity Flow Survey. Because of rounding, estimates may not be additive]

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Table 7c. Export Shipment Characteristics by Commodity Group and Export Mode: Percent of Total for 2002 and 1997

[Estimates are based on data from the 2002 and 1997 Commodity Flow Surveys. Because of rounding, estimates may not be additive]

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Acknowledgments

Norman Y. MinetaSecretary

Kirk K. Van TineDeputy Secretary

Rick KowalewskiDeputy Director

Mary J. HutzlerAssociate Director for Statistical Programs...

Table B-4b. Estimated Measures of Reliability for Export Shipment Characteristics by Export Mode and Country of Destination: 2002 and 1997

[Estimates are shown as percents and are based on data from the 2002 and 1997 Commodity Flow Surveys]

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Table B-3c. Estimated Standard Error of Percentage for Export Shipment Characteristics by Country of Destination: Percent of Total for 2002 and 1997

[Estimates are based on data from the 2002 and 1997 Commodity Flow Surveys. Because of rounding, estimates may not be additive]

Appendix B - Reliability of the Estimates

The estimates in this publication may differ from the actual, unknown population values. Statisticians define this difference as the total error of the estimate. When describing the accuracy of survey results, it is convenient to discuss total error...