


In newer software versions, such as Excel 2019, the process of adding the best fit line to your charts is quite simple. Add a line of best fit trendline in Excel 2013 and up Fortunately, Microsoft Excel has a reliable method of finding and representing a trendline by doing the calculations for you.īest fit lines have many purposes and may help you significantly in visually representing your data. To make this line by hand, you'd have to use a complex formula.

A line of best fit, also known as a trendline or best fit line, is a straight line used to represent a trending pattern in a scatter graph.
