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Table B–18 - Estimated Measures of Reliability for Shipment Characteristics by Two-Digit Commodity and Shipment Size for State of Origin: 2002

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

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All Commodities

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All shipment sizes 7.3 – 9.6 – 19.6 – 8.2
Less than 50 lbs 17.7 1.6 7.4 – 13.3 – 9.4
50 to 99 lbs 32.2 0.7 20.2 – 21.2 – 11.2
100 to 499 lbs 10.4 0.7 18.5 0.1 16.5 – 10.4
500 to 749 lbs 11.4 0.3 16.1 – 12.5 – 12.7
750 to 999 lbs 17.6 0.2 19.8 – 24.0 – 22.3
1,000 to 9,999 lbs 8.7 1.5 18.4 1.0 24.0 1.4 18.7
10,000 to 49,999 lbs 11.5 2.9 9.4 2.7 12.3 6.3 6.9
50,000 to 99,999 lbs 21.4 1.1 23.5 5.7 27.8 1.8 25.7
100,000 lbs or more 23.6 1.9 18.1 5.0 28.9 7.4 16.7

SCTG 1, Live animals and live fish

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All shipment sizes – – – – – – –
Less than 50 lbs – – – – – – –
50 to 99 lbs – – – – – – –
100 to 499 lbs – – – – – – –
500 to 749 lbs – – – – – – –
750 to 999 lbs – – – – – – –
1,000 to 9,999 lbs – – – – – – –
10,000 to 49,999 lbs – – – – – – –
50,000 to 99,999 lbs – – – – – – –
100,000 lbs or more – – – – – – –

SCTG 2, Cereal grains

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All shipment sizes 20.9 – 29.5 – 34.0 – S
Less than 50 lbs – – – – – – –
50 to 99 lbs – – – – – – –
100 to 499 lbs S S S S S S 42.6
500 to 749 lbs S S S S S S 31.1
750 to 999 lbs S S S S S S 32.0
1,000 to 9,999 lbs S S S S 46.3 0.4 S
10,000 to 49,999 lbs 44.0 11.4 33.2 10.9 S S 42.8
50,000 to 99,999 lbs S S S S S S S
100,000 lbs or more 43.4 13.8 44.1 14.6 40.0 13.3 31.5

SCTG 3, Other agricultural products

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All shipment sizes 33.7 – 38.6 – S S 26.3
Less than 50 lbs S S S S S S 31.5
50 to 99 lbs S S S S S S 43.7
100 to 499 lbs S S S S 44.9 2.7 28.0
500 to 749 lbs 42.3 0.4 41.0 0.1 42.1 – 24.4
750 to 999 lbs S S S S S S 29.6
1,000 to 9,999 lbs S S S S S S 35.4
10,000 to 49,999 lbs S S S S S S 24.2
50,000 to 99,999 lbs S S S S S S 29.9
100,000 lbs or more S S S S S S S

SCTG 4, Animal feed and products of animal origin, nec

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All shipment sizes 41.2 – 24.5 – 41.9 – S
Less than 50 lbs S S S S S S S
50 to 99 lbs S S S S S S S
100 to 499 lbs S S S S 44.1 0.2 S
500 to 749 lbs S S S S S S S
750 to 999 lbs S S S S S S S
1,000 to 9,999 lbs S S S S 43.9 0.9 S
10,000 to 49,999 lbs S S 45.5 9.2 S S 21.3
50,000 to 99,999 lbs 30.3 7.7 46.2 10.8 35.0 8.5 39.5
100,000 lbs or more 31.5 7.6 31.5 8.9 48.1 10.1 28.7

SCTG 5, Meat, fish, seafood, and their preparations

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All shipment sizes 26.4 – 25.5 – 24.2 – 15.5
Less than 50 lbs S S S S S S 29.7
50 to 99 lbs 43.1 – 41.8 – 46.2 – 27.2
100 to 499 lbs S S S S S S 24.2
500 to 749 lbs 47.3 – S S 45.5 – 44.1
750 to 999 lbs S S S S S S 43.9
1,000 to 9,999 lbs S S S S S S 22.3
10,000 to 49,999 lbs 27.2 2.9 26.4 2.8 24.2 2.9 8.1
50,000 to 99,999 lbs S S S S S S 29.1
100,000 lbs or more S S S S S S 31.6

SCTG 6, Milled grain products and preparations, and bakery products

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All shipment sizes 34.7 – 49.1 – S S 31.6
Less than 50 lbs S S S S S S 31.7
50 to 99 lbs S S S S S S 32.2
100 to 499 lbs S S S S S S 25.8
500 to 749 lbs S S S S S S 31.6
750 to 999 lbs S S S S S S 31.6
1,000 to 9,999 lbs S S S S S S S
10,000 to 49,999 lbs 48.6 16.1 38.8 13.8 39.6 14.1 18.4
50,000 to 99,999 lbs S S S S S S 31.6
100,000 lbs or more S S S S S S 26.0

SCTG 7, Other prepared foodstuffs and fats and oils

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All shipment sizes 21.7 – 32.3 – 48.0 – 34.2
Less than 50 lbs 39.4 – 40.9 – S S 35.5
50 to 99 lbs 31.1 0.1 S S 37.0 – 30.7
100 to 499 lbs 38.9 1.2 46.8 0.6 S S 32.7
500 to 749 lbs S S S S S S 33.7
750 to 999 lbs S S S S S S 34.5
1,000 to 9,999 lbs S S S S S S 27.1
10,000 to 49,999 lbs 23.8 8.4 7.2 12.4 24.5 16.0 35.5
50,000 to 99,999 lbs 38.5 2.0 S S S S 28.7
100,000 lbs or more 41.6 9.8 46.5 13.1 S S 21.7

SCTG 8, Alcoholic beverages

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All shipment sizes 29.8 – S S S S 14.8
Less than 50 lbs 21.1 1.0 19.4 0.4 19.6 0.8 13.7
50 to 99 lbs 23.7 1.6 17.1 0.9 28.9 3.2 16.5
100 to 499 lbs 15.7 5.1 12.7 5.1 18.1 6.4 11.8
500 to 749 lbs 23.4 1.9 24.3 2.3 27.5 6.3 30.9
750 to 999 lbs 19.9 2.2 14.4 2.9 28.0 2.8 20.0
1,000 to 9,999 lbs 19.7 6.9 19.5 11.9 32.1 17.6 20.1
10,000 to 49,999 lbs S S S S S S 30.0
50,000 to 99,999 lbs S S S S S S 29.8
100,000 lbs or more S S S S S S 31.5

SCTG 9, Tobacco products

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All shipment sizes S S S S S S 31.6
Less than 50 lbs S S S S S S 31.6
50 to 99 lbs – – – – – – –
100 to 499 lbs S S S S S S 31.6
500 to 749 lbs – – – – – – –
750 to 999 lbs S S S S S S 31.6
1,000 to 9,999 lbs – – – – – – –
10,000 to 49,999 lbs – – – – – – –
50,000 to 99,999 lbs – – – – – – –
100,000 lbs or more – – – – – – –

SCTG 10, Monumental or building stone

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All shipment sizes – – – – – – –
Less than 50 lbs – – – – – – –
50 to 99 lbs – – – – – – –
100 to 499 lbs – – – – – – –
500 to 749 lbs – – – – – – –
750 to 999 lbs – – – – – – –
1,000 to 9,999 lbs – – – – – – –
10,000 to 49,999 lbs – – – – – – –
50,000 to 99,999 lbs – – – – – – –
100,000 lbs or more – – – – – – –

SCTG 11, Natural sands

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All shipment sizes S S S S S S 25.5
Less than 50 lbs – – – – – – –
50 to 99 lbs – – – – – – –
100 to 499 lbs – – – – – – –
500 to 749 lbs – – – – – – –
750 to 999 lbs – – – – – – –
1,000 to 9,999 lbs S S S S S S 31.6
10,000 to 49,999 lbs S S S S S S 25.7
50,000 to 99,999 lbs S S S S S S 26.4
100,000 lbs or more S S S S S S 31.3

SCTG 12, Gravel and crushed stone

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All shipment sizes 19.2 – 23.8 – 33.3 – 27.2
Less than 50 lbs – – – – – – –
50 to 99 lbs – – – – – – –
100 to 499 lbs – – – – – – –
500 to 749 lbs – – – – – – –
750 to 999 lbs – – – – – – –
1,000 to 9,999 lbs 41.0 0.7 39.3 0.2 39.8 – 45.9
10,000 to 49,999 lbs 20.9 4.4 29.3 5.2 47.5 3.4 20.5
50,000 to 99,999 lbs 20.3 6.2 29.1 6.0 29.9 8.1 29.9
100,000 lbs or more S S S S S S 24.0

SCTG 13, Nonmetallic minerals nec

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All shipment sizes S S S S S S S
Less than 50 lbs – – – – – – –
50 to 99 lbs S S S S S S 31.6
100 to 499 lbs S S S S S S 29.0
500 to 749 lbs S S S S S S 31.6
750 to 999 lbs S S S S S S 31.6
1,000 to 9,999 lbs S S S S S S 32.4
10,000 to 49,999 lbs S S S S S S 31.6
50,000 to 99,999 lbs S S S S S S 31.6
100,000 lbs or more – – – – – – –

SCTG 14, Metallic ores and concentrates

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All shipment sizes S S S S S S 29.8
Less than 50 lbs S S S S S S 31.6
50 to 99 lbs – – – – – – –
100 to 499 lbs S S S S S S 29.8
500 to 749 lbs – – – – – – –
750 to 999 lbs S S S S S S 31.6
1,000 to 9,999 lbs S S S S S S 29.8
10,000 to 49,999 lbs S S S S S S 29.8
50,000 to 99,999 lbs S S S S S S 31.6
100,000 lbs or more S S S S S S 29.8

SCTG 15, Coal

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All shipment sizes – – – – – – –
Less than 50 lbs – – – – – – –
50 to 99 lbs – – – – – – –
100 to 499 lbs – – – – – – –
500 to 749 lbs – – – – – – –
750 to 999 lbs – – – – – – –