How to Plot Two Things on the Same Y Axis in Excel. Properly formatted charts and graphs can help you grasp the patterns and trends hidden within the raw data of an Excel spreadsheet.

Excel automatically distributes these points along a uniform X axis. To add more data to the Y axis in a line chart, add additional numbers in cells below your existing data.

How to Add a Secondary Axis to an Excel Chart Excel charts offer a variety of ways to visualize data. When using an X-and-Y-axis layout, you can display a data series that enables you to compare ...