When choosing between a line chart and a bar chart to display a time-series of data, if the main objective is to display the overall general movement, or trend, in the time-series, a line chart is best.

Question

Quizplus · Accepted Answer

A line chart is best for displaying overall trend because it shows a continuous line connecting the data points over time, whereas a bar chart shows individual values at each time point and may not depict the trend as clearly.

When Choosing Between a Line Chart and a Bar Chart