You are studying the change over time in the number of course credits needed to graduate with a Bachelor of Arts degree. You have collected data on 3 universities at 10-year intervals over a 40-year span. What is the best chart or graph to illustrate your findings? Why?
A data chart or graph is a graphical representation of data.
For the above mentioned type of data, a LINE GRAPH or LINE CHART would be best suitable. Line graphs are graphical representation of information that changes continuously over time. In the line graph, there are points connecting the data to show a continuous change.
Taking the hypothetical data of 3 universities taken over a 40 year span from 1960 to 2000, the line graph will be plotted as shown in the diagram.
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