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Given the numbers: 1, 2, 3, 4, 5; to calculate the mean [as we all know] we would sum them up and divide, in this case, by 5. This gives 3. This is not the same as calculating the mean of each pair, which would be performed as follows:

1 + 2 = 3 / 2 = 1.5

1.5 + 3 = 4.5 / 2 = 2.25

2.25 + 4 = 6.25 / 2 = 3.125

3.125 + 5 = 8.125 / 2 = 4.0625

My question is, what does the above (calculating the mean of each pair) show us?

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# Meaning of calculating the mean

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