Linear equations can be shown on a graph. Find out how to create one in this Bitesize KS3 maths video.

How to Find the Slope of a Line on an Excel Graph. In math and statistics, you may occasionally need to calculate the slope of a line generated by coordinates in the (x,y) format.

How do you calculate a least squares regression line by hand? When calculating least squares regressions by hand, the first step is to find the means of the dependent and independent variables. We do ...