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Speed Cameras

In this activity, students are presented with the question: “Do speed cameras reduce road casualties – or not?”. The activity is set in the context of media reporting to explore ideas of randomness, probability and drawing conclusions from data. A secondary theme is the mathematical modelling of a real situation. The main purpose of the case study is to help students develop a ‘feel’ for randomness and an ability to critically evaluate data. In completing this activity students are expected to represent and analyse a situation from the real world by interpreting and analysing the data generated, reflecting on its meaning and communicating the results. Students will also be expected to use rational numbers, apply ratio and proportion appropriately and present answers to an appropriate degree of accuracy. Students will also use measures of central tendency, experimental and theoretical probabilities. The core activities demand little more than a basic knowledge of statistics and the idea of ‘average’ as a measure of central tendency. The optional supporting activities use the ideas of mean, frequency and cumulative frequency tables. To use this resource: • download the zip file • extract all of the files • run the start file

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