"TABLE 1 Posterior Means and Standard Deviations for the Speeds of the Case Vehicles, and the Measured Speeds for the Control Vehicles, for 10 Road Accident Research Unit Run-off Road Crashes. All Speeds are in Miles per Hour.",,,,,, Case speeds,,, Control speeds,,, Crash no.,Mean,Standard deviation,1,2,3,4 1,43.4,4.1,34,35,38,38 2,41.5,3.9,27,30,34,38 3,48.3,4.3,30,34,35,39 4,53.2,3.3,32,34,37,42 5,54.8,4.5,37,43,38,30 6,86.9,9.0,37,37,38,38 7,41.5,2.4,33,34,38,43 8,38.7,2.3,31,40,40,42 9,59.2,3.4,39,39,42,43 10,62.5,3.2,34,38,39,43