Table B–1a. Estimated Measures of Reliability for Export Shipment
Characteristics by Export Mode: 2002
[Estimates are shown as percents and are based on data from the 2002 Commodity Flow Survey]
Excel | CSV
| All modes |
4.9 |
– |
11.8 |
– |
| Single modes |
4.1 |
1.3 |
12.4 |
1.0 |
| Truck |
6.4 |
1.9 |
6.5 |
1.6 |
| Rail |
8.9 |
0.3 |
16.2 |
1.9 |
| Water |
6.2 |
1.0 |
15.9 |
3.2 |
| Air (including truck and
air) |
7.5 |
1.3 |
11.2 |
0.2 |
| Pipeline |
S |
S |
S |
S |
| Multiple modes |
18.2 |
1.5 |
14.7 |
0.9 |
| Parcel, U.S.P.S. or
courier |
11.0 |
0.5 |
31.4 |
– |
| Truck and rail |
– |
– |
– |
– |
| All other multiple modes |
27.7 |
1.5 |
15.2 |
0.9 |
| Other and unknown modes |
13.8 |
0.3 |
28.6 |
0.4 |
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.
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