INTRODUCTION Graphs are diagrams that represent the information in a pictorial way, showing the relationship between two variables. All graphs need a table were the information is shown; however, the graphs may not always show the table since they are self explanatory by themselves. There are many types of graphs that are useful depending on the information you want to exhibit and how you want to do it. Graphs are very useful because they communicate …showed first 75 words of 1980 total…

…showed last 75 words of 1980 total…see that are very important and are basic for many other types of graphs. Bar graphs, that there are many types of them and they are very easy to manipulate, although it's not necessary. And pie graphs we can conclude that are the most common ones since they are the more simple to read. Graphs are very useful to represent data and we can get a lot of information from them by interpreting the data.