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Table 14. Relative Standard Errors for Table 4

Selected Characteristics	Total	Light-Duty Vehicles	Light Trucks/ Step Vans	Medium Trucks	Heavy Trucks	Buses
Total Vehicles	25	19	35	23	36	30
Annual Miles Traveled
0 to 10,000	31	26	12	5	16	25
10,001 to 20,000	10	16	15	18	14	39
20,001 to 50,000	6	15	10	15	9	10
50,001 or More	68	19	11	21	67	3
No Answer	26	39	55	9	32	3
Fuel Economy (miles per gallon)
1 to 10	30	14	12	11	36	11
11 to 20	19	11	10	18	28	NC
21 to 30	36	17	57	29	NC	NC
31 to 50	0	0	NC	NC	NC	NC
No Answer	17	6	41	7	4	NC

Table Notes

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