The maximum stock level is the largest amount of stock a business can store on site. In the bar graph example, it is 500 items of stock. The minimum stock level is also known as buffer stock.

Linear equations can be shown on a graph. Find out how to create one in this Bitesize KS3 maths video. A quadratic function can be drawn as a parabola on a graph. Find out how to plot the graph in ...

Graphs are drawn to show experimental data obtained during scientific experiments. It is important to consider the following when drawing a graph: The x-axis should be labelled (with the ...