According to BusinessDirectory.com, pictorial graphs are visual presentations of specific data that use symbols, pictures and icons in the place of common graphs. Ordinary graphs use elements such as points, lines and bars. Pictorial graphs offer comparisons using repetitions or relative sizes of a symbol, picture or icon.
Know MoreIn addition, pictorial graphs are usually found in physics and mathematics textbooks, according to Lock Haven University. In textbooks, they serve a purpose of clearly and simply illustrating mathematical relations. Errors or data points are not shown on these types of graphs. The accuracy relating to data used in physics requires the use of graph paper of a high quality.
Learn MoreIn the real world, graphs are used to help people quickly understand and use information. Examples include graphs used in medicine and in business.
Full Answer >The difference between graphs and charts is mainly in the way the data is compiled and the way it is represented. Graphs are usually focused on raw data and showing the trends and changes in that data over time. Charts are best used when data can be categorized or averaged to create more simplistic and easily consumed figures.
Full Answer >An ogive graph is a smooth S-shaped curve that is used in statistics. The graph is obtained by plotting the values of cumulative frequency against the upper boundary points of the class intervals.
Full Answer >The primary advantage of using a graph or chart in a presentation is that they help the audience to visualize the point of the presentation. Graphs emphasize the main point, make the data more convincing, provide a compact way of presenting information and help audiences stay engaged. Disadvantages of graphs include being time consuming to construct and costly to produce. They also require technology that some may lack.
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