var lapTimeMedian : Double? The median of all lap times.
var lapTimeStandardDeviation : Double? The standard deviation (𝜎) of all lap times.
var lapTimeVariance : Double? The variance (𝜎²) of all lap times.
Framework
var lapTimeAverage: Double { get }var lapTimeMedian : Double? var lapTimeStandardDeviation : Double? var lapTimeVariance : Double?