For any line/scatter plot in Grapher, you can use a linear fit curve to calculate the slope of the data distribution.

*The statistics for the linear fit curve display the slope of the equation.*

The following steps can be used to add a linear fit curve and determine the slope of the line:

- Click on the
*Line/Scatter Plot*in the**Object Manager**to select it. - Click
**Graph Tools | Add to graph | Fit Curve**. By default, a linear fit will be applied. - Click on the
*Linear Fit*in the**Object Manager**to select it. - In the
**Property Manager**, click on the**Plot**tab. - Click the
*Insert*button next in the*Insert into plot document*field. - Click in the Plot window where you want the text to appear. The equation is in the form Y = M*X+B where M is the slope the line.

*Updated May 2023*

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