Once points have been plotted for a line graph, draw a line of best fit . The line should be drawn through as many points as possible, with equal numbers of points above and below the line. If ...

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!

The scatter graph shows the relationship between the temperature on a given day and the number of ice creams sold in a café. A line of best fit has been drawn.