1) The document discusses different ways of representing data visually including pictographs, bar graphs, pie graphs, and double bar graphs. 2) It provides examples of how to create each type of graph using sample data sets, such as using symbols to represent numbers of students in a pictograph or using bars of different heights to represent values in a bar graph. 3) The document explains that visual representations of data make the information easier to understand, compare, and remember compared to raw numerical data.