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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

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Data Matching

Stage: 5 Challenge Level: Challenge Level:1

Four different, unknown, probability distributions have each been used four times to generate 16 sets of data. By searching for patterns in the data, can you work out which groups of 4 are most likely to have come from the same distributions?


If you like, you may download a spreadsheet containing these numbers and an additional data set.