BTS | Table B–2. Estimated Measures of Reliability for Inbound Shipment Characteristics by Mode of Transportation for CBSA of Destination: 2002

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BTS Home > Publications > Commodity Flow Survey > Metropolitan Areas > Louisville-Elizabethtown-Scottsburg, KY-IN CSA (KY Part)

Table B–2. Estimated Measures of Reliability for Inbound Shipment Characteristics by Mode of Transportation for CBSA of Destination: 2002

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

Excel | CSV

Mode of transportation	Value		Tons		Ton-miles		CV of average miles per shipment
Mode of transportation	CV	Std. error of percent	CV	Std. error of percent	CV	Std. error of percent	CV of average miles per shipment
All modes	10.8	–	18.7	–	19.5	–	10.8
Single modes	11.5	1.7	18.8	0.5	19.7	0.4	21.7
Truck	10.1	3.1	20.7	5.3	36.3	7.8	21.2
Rail	S	S	33.6	3.1	31.6	6.4	15.1
All other Single modes	30.3	2.0	46.0	5.9	40.5	7.8	5.7
Multiple modes	12.7	1.7	44.1	–	32.1	0.2	5.6
Parcel, USPS or courier	12.4	1.6	10.8	–	8.0	0.1	5.6
All other multiple modes	S	S	S	S	S	S	S
Other and unknown modes	37.8	0.3	43.5	0.5	45.4	0.4	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

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, Metropolitan Data, December 2004.

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