Answer:
D) either line or column chart
Step-by-step explanation:
Line or column charts are better used to show changes of a value over a period of time. Its visually easy to compare changes between the months in a column chart. A line chart its usually used to compare the data over time of several groups.
A Pie chart is better used when you want to compare a part of the data to a whole.
A Scatter chart it is best to compare two variables X and Y, and see their relations.
