How Excel Charts Work A chart has an x-axis range and a y-axis range to show the correlation between two different data sets. The x-axis is the horizontal category line.

How to Make a Graph in Excel With Two Sets of Numbers. With features like auto-summing, chart making and the ability to track numbers from multiple lists, budgets or accounts, Microsoft Excel has ...

In Microsoft Excel, to draw attention to a specific marker in a line chart, drop in a thin line, think of it as a marker.