A line graph is used to spot trends in data over time. In order to produce a line graph, data is required. The data often comes in the form of a table. A student recorded how much time they spent ...

A sparkline is a simple line graph without annotations (like axes or units) intended to fit within the flow of text. They’re largely associated today with the statistician Edward Tufte ...

The moving average (MA) is easy to calculate and when plotted on a chart, is a visual trend-spotting tool and technical indicator.