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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 8.0 – 10.4 – 16.9 – 12.4
Less than 50 lbs 43.6 2.7 14.2 – 16.4 – 12.1
50 to 99 lbs 33.4 0.4 24.6 – 21.2 – 26.8
100 to 499 lbs 19.3 0.8 15.4 – 17.4 – 16.5
500 to 749 lbs 14.0 0.2 11.4 – 14.1 – 14.5
750 to 999 lbs S S 15.6 – 14.0 – 21.5
1,000 to 9,999 lbs 12.2 2.3 16.4 0.2 25.8 0.4 23.0
10,000 to 49,999 lbs 6.6 2.7 10.9 1.5 8.6 1.7 11.2
50,000 to 99,999 lbs 27.1 0.7 24.2 1.0 37.6 0.5 20.4
100,000 lbs or more 9.7 2.1 11.7 2.3 18.4 2.4 17.2

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 S S S S S S 31.6
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 – – – – – – –
50,000 to 99,999 lbs – – – – – – –
100,000 lbs or more – – – – – – –

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 S S S S S S 23.2
Less than 50 lbs – – – – – – –
50 to 99 lbs S S S S S S 29.9
100 to 499 lbs 33.1 15.1 34.2 15.2 45.9 15.0 24.2
500 to 749 lbs S S S S S S 31.0
750 to 999 lbs S S S S S S 30.2
1,000 to 9,999 lbs S S S S S S 26.7
10,000 to 49,999 lbs S S S S S S 31.6
50,000 to 99,999 lbs – – – – – – –
100,000 lbs or more – – – – – – –

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 41.4 – 40.9 – 41.4 – 25.9
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 41.5 0.2 40.9 0.3 41.5 0.3 25.9
50,000 to 99,999 lbs S S S S S S 31.6
100,000 lbs or more – – – – – – –

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 21.0 – 26.6 – 26.5 – S
Less than 50 lbs S S S S S S 34.9
50 to 99 lbs S S S S S S 29.9
100 to 499 lbs S S S S S S 39.3
500 to 749 lbs S S S S S S S
750 to 999 lbs S S S S S S 35.2
1,000 to 9,999 lbs 31.2 4.0 32.8 5.6 41.7 6.7 25.6
10,000 to 49,999 lbs 20.5 12.8 25.8 12.7 26.9 13.7 19.9
50,000 to 99,999 lbs S S S S S S 31.6
100,000 lbs or more – – – – – – –

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 S S S S S S 20.0
Less than 50 lbs S S S S S S 30.2
50 to 99 lbs S S S S S S 28.0
100 to 499 lbs S S 49.7 13.4 S S 31.0
500 to 749 lbs S S S S S S 31.6
750 to 999 lbs S S S S S S 29.9
1,000 to 9,999 lbs S S S S S S 30.5
10,000 to 49,999 lbs – – – – – – –
50,000 to 99,999 lbs – – – – – – –
100,000 lbs or more – – – – – – –

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 23.6 – 28.3 – S S 17.8
Less than 50 lbs 36.1 0.6 S S S S 31.7
50 to 99 lbs S S S S S S 30.2
100 to 499 lbs 30.5 3.2 48.0 2.7 S S 16.9
500 to 749 lbs 24.5 1.5 28.5 1.2 38.7 0.8 23.1
750 to 999 lbs 32.6 1.0 32.6 0.8 30.7 0.5 43.3
1,000 to 9,999 lbs 23.3 4.8 33.7 4.7 S S 32.2
10,000 to 49,999 lbs 31.8 7.2 30.3 7.9 S S 42.6
50,000 to 99,999 lbs 44.5 3.3 46.7 3.0 32.0 1.9 47.4
100,000 lbs or more S S 48.5 1.2 S S S

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 28.9 – 34.4 – 33.5 – S
Less than 50 lbs S S S S S S 30.2
50 to 99 lbs S S S S S S 30.2
100 to 499 lbs S S S S S S S
500 to 749 lbs 42.9 1.3 45.4 1.4 S S S
750 to 999 lbs S S S S S S S
1,000 to 9,999 lbs 30.5 6.9 41.7 8.3 41.7 6.0 44.8
10,000 to 49,999 lbs 45.6 3.0 S S 29.7 3.9 S
50,000 to 99,999 lbs – – – – – – –
100,000 lbs or more – – – – – – –

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 40.8 – 43.3 – 41.9 – 36.8
Less than 50 lbs 39.8 6.1 39.4 5.3 37.9 3.5 S
50 to 99 lbs 42.9 2.6 38.1 4.1 36.9 6.4 37.2
100 to 499 lbs 46.6 8.1 43.5 6.6 43.1 6.7 30.4
500 to 749 lbs S S S S 48.7 2.4 32.2
750 to 999 lbs S S 47.2 0.7 S S 27.7
1,000 to 9,999 lbs S S S S 47.7 7.4 26.4
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 S S S S S S 31.6
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 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 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 45.3 – S S 45.9 – 24.5
Less than 50 lbs – – – – – – –
50 to 99 lbs – – – – – – –
100 to 499 lbs S S S S S S 31.6
500 to 749 lbs – – – – – – –
750 to 999 lbs – – – – – – –
1,000 to 9,999 lbs 29.4 1.7 34.6 1.5 S S S
10,000 to 49,999 lbs 41.2 9.4 29.8 13.7 39.4 12.5 26.0
50,000 to 99,999 lbs 42.7 10.3 S S S S 28.7
100,000 lbs or more S S S S S S 26.7

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 20.6 – 23.5 – 33.9 – 21.0
Less than 50 lbs – – – – – – –
50 to 99 lbs – – – – – – –
100 to 499 lbs S S S S S S 29.8
500 to 749 lbs 46.8 – 45.8 – 42.3 – 27.8
750 to 999 lbs 46.9 – 44.6 – 44.9 – 25.8
1,000 to 9,999 lbs 31.0 0.3 32.7 0.2 43.5 0.1 30.0
10,000 to 49,999 lbs 23.2 5.0 27.0 7.6 37.2 10.7 17.8
50,000 to 99,999 lbs 29.6 3.5 35.6 5.1 S S 34.1
100,000 lbs or more 32.7 6.5 38.1 11.7 47.5 15.7 25.2

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 32.1 – S S 33.2 – S
Less than 50 lbs S S S S S S 31.6
50 to 99 lbs – – – – – – –
100 to 499 lbs – – – – – – –
500 to 749 lbs S S S S S S 31.6
750 to 999 lbs – – – – – – –
1,000 to 9,999 lbs 38.7 0.3 S S 39.3 0.2 S
10,000 to 49,999 lbs 32.4 10.4 S S 33.4 10.4 S
50,000 to 99,999 lbs S S S S S S S
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 31.1
Less than 50 lbs – – – – – – –
50 to 99 lbs – – – – – – –
100 to 499 lbs – – – – – – –
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 31.6
10,000 to 49,999 lbs S S S S S S 31.4
50,000 to 99,999 lbs S S S S S S 31.6
100,000 lbs or more – – – – – – –

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 15.7 – 15.3 – 20.1 – 41.4
Less than 50 lbs – – – – – – –
50 to 99 lbs – – – – – – –
100 to 499 lbs – – – – – – –
500 to 749 lbs – – – – – – –