Answer :

To make it easier to spot trends, data can be presented in visual presentations called graphs.

A graph is a picture that depicts the relationship between two variables, usually two variables that are measured along one of two axes at right angles to one another. In a nutshell, a graph is a visual representation of data for simple understanding. The majority of scientific data is presented as graphs so that readers can quickly spot trends in the data. Social sciences also employ graphs to communicate vital information in a visual manner. The link between lines and points is described by a graph, which is a mathematical description of a network. A graph is made up of some points and the connecting lines. It doesn't matter how long the lines are or where the points are located. A node is the name for each element in a graph.

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