2. A task force to encourage car pooling did a study of one-way commuting distances of workers in the downtown Dallas area. A random sample of 60 of these workers was taken. The commuting distances (in miles) of the workers in the sample are given below. 13 47 10 3 16 20 17 40 4 2 7 25 8 21 19 15 3 17 14 6 12 45 1 8 4 16 11 18 23 12 6 2 14 13 7 15 46 12 9 18 34 13 41 28 36 17 24 27 29 9 14 26 10 24 37 31 8 16 12 16 Construct a grouped frequency distribution for the data using 5 classes. Show also the relative and cumulative frequencies. [30 points]