Calculate the average deviation from the mean

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Reference no: EM13206869

a) Calculate the mean of the following 5 numbers: 3, 7, 8, 12, 15

b) Write down any set of numbers. Calculate thier mean, and then the average deviation from the mean.

c) Prove that, for every possible sample of n observations, the average deviation from the mean is exactly zero. Is this also true for deviations from the median?

Reference no: EM13206869

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