When to add markers/dots to a line chart?

1. When should data markers be used in graphs?
2. What are the dots on a line graph?
3. Why should you always include data markers on a line chart?

When should data markers be used in graphs?

Data markers are used to highlight data points in charts. While working with line charts and radar charts, you can change the appearance of the data markers to distinguish a series and enhance data visualization.

What are the dots on a line graph?

A dot plot, also referred to as a line plot, is a type of graph that shows the frequency with which a given object/event occurs in a set of data (as dots over a number line). They provide a relatively quick and simple way to organize and display small sets of data.

Why should you always include data markers on a line chart?

A line graph often uses time as its x-axis and a numerical quantity on its y-axis. When data points are marked on the chart, all data points within a single dependent variable are connected with a line, making it very useful tool for analyzing changes over time for one or more variables.