Stories in the World's Tallest Buildings The number of stories in each of a sample of the world's 24 tallest buildings follows. Construct a grouped frequency distribution and a cumulative frequency distribution with 7 classes. 88 69 85 78 75 64 75 79 55 60 70 88 55 65 56 72 71 60 80 55 88 70 77 80 Send data to Excel Part: 0/5 Part 1 of 5 What is the class width for a frequency distribution with 7 classes? The class width is x