You may also like

Tree Tops

Can you make sense of information about trees in order to maximise the profits of a forestry company?

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.

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.

Box Plot Match

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.
The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.
Copyright © 1997 - 2020. University of Cambridge. All rights reserved.
NRICH is part of the family of activities in the Millennium Mathematics Project.