P2.9 THE FASTEST MOST DANGEROUS THINGS

You can use graohs and charts to represent risk. Using graphs rather than numbers can make it easier to get a picture of the risk involved. This can help you make descisions about whether to do something or not.

With graphs you have to be careful because they can look very different depending on what they are showing. E.g. The data for travel safety can look very different depending on whether it shows deaths per hour travelled or per kilometre travelled as shown here,

Data can be put in spreadsheet software and used to create a model of what might happen. The…