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In the following example, a linear trendline clearly shows that refrigerator sales have consistently risen over a 13-year period.

A linear trendline usually shows that something is increasing or decreasing at a steady rate. Your data is linear if the pattern in its data points resembles a line. If you want, you can display this value on your chart.Ī linear trendline is a best-fit straight line that is used with simple linear data sets. When you fit a trendline to your data, Graph automatically calculates its R-squared value. Trendline reliability A trendline is most reliable when its R-squared value is at or near 1. The type of data you have determines the type of trendline you should use. When you want to add a trendline to a chart in Microsoft Graph, you can choose any of the six different trend/regression types. Access for Microsoft 365 Access 2021 Access 2019 Access 2016 Access 2013 Access 2010 Access 2007 MS Graph 2003 More.