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Table B–1a. Estimated Measures of Reliability for Shipment Characteristics by Mode of Transportation for State of Origin: 2002
[Estimates are based on data from the Commodity Flow Survey. Because of rounding, estimates may not be additive]
Excel | CSV
All modes |
5.8 |
– |
14.0 |
– |
11.7 |
– |
16.6 |
Single modes |
6.7 |
1.8 |
14.3 |
0.8 |
11.5 |
1.3 |
18.6 |
Truck |
6.8 |
2.1 |
14.7 |
2.8 |
15.0 |
5.2 |
19.8 |
For-hire Truck |
5.5 |
3.4 |
22.0 |
5.3 |
16.6 |
5.2 |
9.1 |
Private Truck |
14.2 |
4.4 |
16.2 |
5.4 |
14.7 |
1.8 |
30.5 |
Rail |
20.0 |
1.2 |
18.3 |
2.7 |
23.6 |
4.8 |
10.7 |
Water |
S |
S |
S |
S |
S |
S |
31.6 |
Shallow draft |
– |
– |
– |
– |
– |
– |
– |
Great Lakes |
– |
– |
– |
– |
– |
– |
– |
Deep draft |
S |
S |
S |
S |
S |
S |
31.6 |
Air (including truck and air) |
27.2 |
0.4 |
49.9 |
– |
S |
S |
9.0 |
Pipeline |
S |
S |
S |
S |
S |
S |
S |
Multiple modes |
19.8 |
2.0 |
11.5 |
0.1 |
16.3 |
0.3 |
9.4 |
Parcel, USPS or courier |
20.1 |
2.0 |
19.9 |
– |
20.0 |
0.2 |
9.4 |
Truck and rail |
30.7 |
– |
26.4 |
– |
37.9 |
0.2 |
26.4 |
Truck and water |
S |
S |
S |
S |
S |
S |
S |
Rail and water |
– |
– |
– |
– |
– |
– |
– |
Other multiple modes |
S |
S |
S |
S |
S |
S |
35.6 |
Other and unknown modes |
29.6 |
1.1 |
27.1 |
0.8 |
44.2 |
1.3 |
S |
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.
CV Coefficient of variation of number
NOTES: The
Introduction and appendixes give information on confidentially protection,
sampling error, nonsampling error, sample design, and definitions. Links to
this information on the Internet may be found at www.census.gov/cfs.
Coverage for the 2002 Commodity Flow Survey (CFS) differs from the previous
surveys due to a change from the 1987 Standard Industrial Classification
System to the 1997 North American Industry Classification System and other
survey improvements. Therefore, data users are urged to use caution when
comparing 2002 CFS estimates with estimates from prior years.
SOURCE: Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, Individual State Data, December 2004.
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