A line graph connects individual data points that reflect numerical values. It is used to visualize the relationship between dependent and independent variables.

The 'line of best fit' is a line that goes roughly through the middle of all the scatter points on a graph. The closer the points are to the line of best fit the stronger the correlation is. This ...

The line of best fit is an output of regression analysis that represents the relationship between two or more variables in a dataset.

Revise how to make estimations from a scatter graph and line of best fit, as part of National 5 Maths.

Calculating a Least Squares Regression Line: Equation, Example, Explanation If you want a simple explanation of how to calculate and draw a line of best fit through your data, read on!