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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?

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Very Old Man

Is the age of this very old man statistically believable?

Data Matching

Stage: 5 Challenge Level: Challenge Level:1

It might be a good idea to work out averages and measures of spread for each set.

You could also draw frequency diagrams, or box plots, for each set.