John is a shop keeper. He sold cameras over a month and wrote the sale of total number of cameras he sold each day. The results are shown as below; organize them in order, complete the frequency table and draw the histogram with given interval. 10, 12, 15, 14, 25, 5, 26, 21, 13, 14, 19, 9, 18, 14, 16, 24, 26, 21, 23, 20, 23, 20, 11, 8, 21, 26, 27, 12, 26, 13 ​
