During a 70 sec period, a detector is occupied by vehicles for the following times: 0.31, 0.39, 0.41, 0.35, and 0.53 sec. Estimate the values of flow (q), density (k) and speed (v). Assume that the loop detector is 10 ft and that that the average length of the vehicle is 20 ft. Problem No.4 For the speed data in the table below, find the mean speed and the Standard Devaition of speed. Also find the 85th percentile, the 15th percentile and the median (50th percentile) speed from the cumulative frequency curve. Also find the Pace and Mode.