2) Data Set: Pulse rate of students in a class. 5 classes
68 105 95 80 90 100 75 70 84 98 102 70
65 88 90 75 78 94 110 120 95 80 76 108
72 85 100 94 82 75 81 69 97 89 112 117
79 85 71
71 86 99
95 80
85 98 69 74 86