Year 7 maths · I.1 · Statistics
Find the mean of a data set
Add all the numbers, then divide by how many there are.
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Find the mean of this data set: 8, 5, 5
Answer: 6
Find the mean of this data set: 10, 3, 8
Answer: 7
Find the mean of this data set: 2, 10, 4, 8
Answer: 6
Tip: Add all the numbers, then divide by how many there are.
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