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Year 6 · Statistics & Probability

Mean, median and mode

Averages describe a set of numbers: mean, median, mode and range.

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How to do it

  1. Mean: add them all, divide by how many.
  2. Median: put in order, take the middle one.
  3. Mode: the most common. Range: biggest − smallest.

Worked example

Mean of 4, 8, 6, 2
4 + 8 + 6 + 2 = 20
20 ÷ 4 = 5

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Put the numbers in order before finding the median.

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