 |
|
|
|
Table B–4a. Estimated Measures of Reliability for Shipment Characteristics by Shipment Weight: 2002
[Estimates are shown as percents and are based on data from the 2002 Commodity Flow Survey]
Excel | CSV
| All shipment sizes |
1.3 |
– |
2.0 |
– |
3.7 |
– |
2.9 |
| Less than 50 lbs |
2.5 |
0.3 |
2.7 |
– |
3.5 |
– |
2.8 |
| 50 to 99 lbs |
5.6 |
0.2 |
4.7 |
– |
6.8 |
– |
5.4 |
| 100 to 499 lbs |
3.0 |
0.3 |
3.4 |
– |
2.6 |
– |
3.5 |
| 500 to 749 lbs |
3.3 |
0.1 |
3.3 |
– |
2.8 |
– |
3.3 |
| 750 to 999 lbs |
3.8 |
– |
4.6 |
– |
2.6 |
– |
4.4 |
| 1,000 to 9,999 lbs |
2.6 |
0.3 |
1.9 |
0.1 |
3.7 |
0.2 |
2.8 |
| 10,000 to 49,999 lbs |
1.7 |
0.5 |
3.3 |
0.8 |
2.1 |
0.9 |
2.7 |
| 50,000 to 99,999 lbs |
3.6 |
0.2 |
3.8 |
0.5 |
4.6 |
0.3 |
4.5 |
| 100,000 lbs or more |
6.5 |
0.5 |
3.4 |
1.0 |
6.2 |
1.3 |
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.
|
|
|
|
|
