Catherine Falls Commercial/Getty Images Linear regression is a type ... and from the "Manage" box, select "Excel Add-Ins" and click "Go." In Excel for Mac, select "Excel Add-Ins" from the "Tools" menu ...

The y-intercept is the point at which a linear equation crosses the y-axis on the x=0 plot point. The equation to determine both the slope and the y-intercept of a line is y=mx+b. This calculation may ...