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There are 4 NRICH Mathematical resources connected to Measures of spread, you may find related items under Handling, processing and representing data.
Broad Topics > Handling, processing and representing data > Measures of spreadAnna, Ben and Charlie have been estimating 30 seconds. Who is the best?
Can you find sets of numbers which satisfy each of our mean, median, mode and range conditions?
Invent a scoring system for a 'guess the weight' competition.
How can people be divided into groups fairly for events in the Paralympics, for school sports days, or for subject sets?