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Table 7: Vessel Characteristics (2015)

Vessel CharacteristicsMean(a)Median(a)Minimum(c)Maximum
Passenger capacity (595)(b) 32314905200
Vehicle Capacity (437)(b)2390202
Typical Speed (570)1412143
Vessel Age (603)27250102
Notes: 

(a) The mean is the average value. The median represents the middle most value when all numbers are listed in order. The median is a more accurate measure of the central tendency when a distribution of numbers is slightly skewed.

(b) Does not include vessels that do not carry passengers and or vehicles. Car ferries often do not track or report passenger board­ing counts.

(c) The minimum value of zero for vehicle capacity is due to the reporting a Tug/Barge combination or reporting error.

Source: 

U.S. Department of Transportation, Bureau of Transportation Statistics, 2016 Na­tional Census of Ferry Operators, available at www.bts.gov as of October 2017.