ist K The data set shows the ages of all participants in two yoga classes. Complete parts (a) through (d) below. 3:00 P.M. Class 8:00 P.M. Class 46 60 73 77 51 65 18 18 18 24 19 29 68 35 53 64 77 69 19 20 36 22 59 25 59 73 55 75 68 76 24 6 19 18 43 23 71 74 38 77 18 31 20 25 44 31 17 (a) Make a back to back stem-and-leaf plot to display the data 3:00 P.M. Class 8:00 P.M. Class 18 2 3 19 4 5 6 20 Key: 110 = 10 (Use ascending order.) (b) What are the lowest and highest ages of participants in the 3:00 P.M. and 8:00 P.M. class? n 21 The lowest age in the 3:00 P.M. class is years and the oldest age is years. The lowest age in the 8:00 P.M. class is years and the oldest age is years. n 22 (c) How many participants are in each class