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Table B–4c. Estimated Measures of Reliability for Shipment Characteristics by Shipment Weight: 2002 and 1993
[Estimates are shown as percents and are based on data from the 2002 and 1993 Commodity Flow Surveys]
Excel | CSV
| All shipment sizes |
1.3 |
0.8 |
2.2 |
2.0 |
1.6 |
3.1 |
3.7 |
2.7 |
6.0 |
2.9 |
| Less than 50 lbs |
2.5 |
1.3 |
4.7 |
2.7 |
2.9 |
3.4 |
3.5 |
4.5 |
6.6 |
2.8 |
| 50 to 99 lbs |
5.6 |
2.0 |
9.4 |
4.7 |
2.5 |
6.1 |
6.8 |
2.7 |
10.5 |
5.4 |
| 100 to 499 lbs |
3.0 |
2.5 |
5.3 |
3.4 |
2.3 |
4.7 |
2.6 |
2.4 |
4.7 |
3.5 |
| 500 to 749 lbs |
3.3 |
3.3 |
6.4 |
3.3 |
1.6 |
4.3 |
2.8 |
3.9 |
6.0 |
3.3 |
| 750 to 999 lbs |
3.8 |
4.7 |
7.9 |
4.6 |
1.7 |
5.9 |
2.6 |
2.4 |
4.7 |
4.4 |
| 1,000 to 9,999 lbs |
2.6 |
2.5 |
4.7 |
1.9 |
1.6 |
2.9 |
3.7 |
2.6 |
6.1 |
2.8 |
| 10,000 to 49,999 lbs |
1.7 |
1.4 |
3.3 |
3.3 |
1.7 |
5.0 |
2.1 |
1.2 |
3.5 |
2.7 |
| 50,000 to 99,999 lbs |
3.6 |
3.8 |
7.3 |
3.8 |
3.5 |
5.4 |
4.6 |
2.3 |
6.0 |
4.5 |
| 100,000 lbs or more |
6.5 |
6.1 |
11.9 |
3.4 |
3.4 |
5.6 |
6.2 |
4.6 |
9.6 |
3.2 |
KEY:
– Represents data cell 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.
NOTE: The Introduction and appendixes give information onf 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: Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, United States Data, December 2004.
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