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Cricket Ratings

Like all sports rankings, the cricket ratings involve some maths. In this case, they use a mathematical technique known as exponential weighting. For those who want to know more, read on.

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History of Morse

This short article gives an outline of the origins of Morse code and its inventor and how the frequency of letters is reflected in the code they were given.

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Odd One Out

In this short problem, can you deduce the likely location of the odd ones out in six sets of random numbers?

Perception Versus Reality

Stage: 4 and 5 Challenge Level: Challenge Level:1

See the problem Picturing the World for a variety of ideas on how statistics can be presented. Perhaps you will find some inspiration for a representation of your own.