In this guide, we will provide a step-by-step tutorial on how to add a regression line to a scatterplot graph in Excel. The most commonly-used trendline is calculated using a simple linear regression formula. Trendlines can help identify whether there is a positive or negative correlation between the two variables being plotted. You can also choose to overlay a trendline when you’ve added a scatter plot in your spreadsheet. How to Add a Regression Line to a Scatterplot in Excel.Ī scatter plot or scatter chart is a type of data visualization option available in Microsoft Excel that allows you to identify the correlation between two variables.įor example, we can use a scatterplot to determine if there is a correlation between the exam scores of students and the number of hours they spend studying.A Real Example of Adding a Regression Line to a Scatterplot in Excel.
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