To show the increase in the cost of commercials during the super bowl over the past 40 years, the best kind of visual aid would probably be a Line graph .
Line graphs are wont to constitute quantitative data collected over a selected subject and a particular time interval. All the data points are joined by a line. Data points represent the observations that are collected on research. The line graph consists of an x-axis and a y-axis.
Line graph presents a graphical depiction of the changes that had taken place over an allotted period of time.Line graph gives a limpid picture of an ascending or descending movement.
Line graph contains a horizontal axis called the x-axis and a vertical axis called the y-axis. The x-axis usually contains a time period over to measure the quantity of a particular item in the y-axis. Line graph helps to inspect the movement of whether the quantity in the y-axis is ascending or descending over a period of time.
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