

You could either enter it in two separate columns or two rows. The first step to creating a line graph with two sets of data is entering the numeric values which you want to display in the sheet. » MORE: How to Unhide All Rows in Excel: A Step-By-Step Guide How to Make a Line Graph in Excel With Two Sets of Data: A Step-By-Step Guide Step 1: Insert Two Data Sets Into the Spreadsheet For instance, you can use line graphs to forecast upcoming sales. Using line graphs in MS Excel, you can determine future trends and predictions using different models. In fact, a basic line graph will also show negative values. You can quickly determine the increase or decrease in variables when two line graphs are shown together. Line graphs allow us to compare and spot differences between two data sets. These graphs use time as the x-axis and show continuous changes in the variable on the y-axis. Unlike a bar graph, line charts make it easy to spot small changes.

Line graphs can be an incredible tool to determine changes over time.

