BTS | Table B–10. Estimated Measures of Reliability for Shipment Characteristics by Commodity Group for State of Origin: 2002 and 1997

Bureau of Transportation Statistics (BTS)

About RITA
- Key Officials
- Organizational Chart
- Do Business with Us
- Publications
- Laws and Regulations

Communities of Interest

Press Room
- Press Releases
- Upcoming Press Releases
- What's New

RITA Offices

Site Map

About BTS

Bookstore

BTS Press Room

Data and Statistics

External Links

Programs

BTS Home > Publications > Commodity Flow Survey > States > Vermont

Table B–10. Estimated Measures of Reliability for Shipment Characteristics by Commodity Group for State of Origin: 2002 and 1997

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

Excel | CSV

Code	Commodity (2-digit SCTG)	Value			Tons			Ton-miles			Average miles per shipment
Code	Commodity (2-digit SCTG)	CV 2002	CV 1997	Std. error of percent change 1997-2002	CV 2002	CV 1997	Std. error of percent change 1997-2002	CV 2002	CV 1997	Std. error of percent change 1997-2002	CV 2002	CV 1997	Std. error of percent change 1997-2002
	All Commodities	19.2	13.2	29.3	15.0	13.7	32.7	15.8	16.9	36.8	12.5	7.1	18.4
01-05	Agriculture products and fish	27.4	20.3	24.4	34.4	23.1	24.9	39.3	28.4	11.8	S	27.2	S
06-09	Grains, alcohol, and tobacco products	10.4	19.8	46.8	17.0	45.4	209.3	17.0	30.3	126.1	15.4	26.1	72.2
10-14	Stones, non-metallic minerals, and metallic ores	27.4	28.2	72.4	28.9	47.5	122.6	33.9	49.7	171.5	S	S	S
15-19	Coal and petroleum products	25.0	30.9	48.5	38.7	30.1	68.4	26.7	29.8	47.4	S	15.2	S
20-24	Pharmaceutical and chemical products	15.0	16.5	21.3	26.9	47.3	43.9	21.4	32.6	60.9	24.8	38.8	113.9
25-30	Logs, wood products, and textile and leather	8.6	17.4	15.4	18.9	23.6	23.9	29.0	28.5	28.5	9.5	15.4	37.9
31-34	Base metal and machinery	13.0	11.7	14.1	41.9	20.9	95.4	34.1	13.2	43.4	17.8	17.5	31.0
35-38	Electronic, motorized vehicles, and precision instruments	36.4	29.7	49.4	25.1	19.5	45.2	16.2	29.2	42.0	18.6	25.2	43.0
39-43	Furniture, mixed freight and misc manufactured products	26.8	10.6	82.0	28.3	S	S	23.7	19.7	48.2	13.6	6.2	14.8
--	Commodity Unknown	S	S	S	S	S	S	S	S	S	38.3	27.0	22.8

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

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, Individual State Data, December 2004.