Introduction To Graphs Class 8 Notes- Chapter 15 What are the different types of Graphical Representation of Data? Graphical methods used to present data is very efficient in organizing the data and understand them. There are various graphical methods which are mentioned below: While comparing among categories, the method which is appropriate is the bar graph. While comparing parts of a whole, pie-chart is the ideal method. When data is provided in intervals, a histogram can be used for easier understanding. In the case of the data changing continuously over a period of time, a line graph will be useful When an unbroken line is represented, it is done with the help of a linear graph Introduction to Graphs Graphs are visual representation of data collected . It’s purpose is to show numerical data in physical form so that it can be understood quickly, easily and clearly. Bar Graphs Bar Graph A bar graph is used to show comparison ...