“If you have the chance to read the business section of a newspaper, probably you have noticed a line graph that represents the
movement of different currency or stock prices for that particular day. If you will try to visit the same business section in the same newspaper, you will notice that the line graph is not the same graph that you have seen yesterday, indicating that there are movements within the market for that day.
Graphs, or called charts (in economic analysis) is a type of graphical representation of tabular numeric data or given functions. It is used to show large data quantities and its relationship between each other and its respective parts in a manner that will be easily understood by readers. In other words, the raw data that usually come into the form of large figures or tabular numeric numbers can be easily expressed in the form of charts.