Question
Using the following observations on weight of 60 machines (in kg), construct a continuous frequency distribution in which upper limit of a class is 80 kg and class length is 10.
74, 84, 64, 14, 69, 19, 12, 13, 15, 10, 28, 24, 32, 48, 53, 67, 75, 89, 92, 98, 25, 20, 19, 30, 35, 39, 44, 40, 50, 61, 59, 60, 65, 74, 89, 80, 70, 33, 46, 19, 40, 29, 41, 73, 23, 52,39, 65, 21, 51, 49, 26, 19, 50, 38, 79, 92, 64, 49, 30.
74, 84, 64, 14, 69, 19, 12, 13, 15, 10, 28, 24, 32, 48, 53, 67, 75, 89, 92, 98, 25, 20, 19, 30, 35, 39, 44, 40, 50, 61, 59, 60, 65, 74, 89, 80, 70, 33, 46, 19, 40, 29, 41, 73, 23, 52,39, 65, 21, 51, 49, 26, 19, 50, 38, 79, 92, 64, 49, 30.