Looking carefully at these bar graphs we realise they don't tell us much at all. They show something going upward but we can't tell anything else: Even though this piece of data looks more useful, we ...

As we saw in the example, it is important to be able to look at a graph and figure out if its data is presented in a clear way. Graph 1 presents data in a way that makes it look like there was an ...

Mathematics at A-level is going from strength to strength. Maths is the most popular subject choice, and further maths, which is a separate A-level course, has seen the most growth in uptake. Despite ...