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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.
Age 14 to 16 Challenge Level:
Here are six cumulative frequency graphs and six box plots of the same data.
Can you match them up?
You can print out the graphs and boxplots if you like.
With thanks to Don Steward, whose ideas formed the basis of this problem.
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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.