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Find the mean absolute deviation of the set of data 16, 20, 24, 25, 28, 29, 31 and 35

Find the mean absolute deviation of the set of data 16, 20, 24, 25, 28, 29, 31 and 35
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Answer #1
1. find the mean of the numbers - I had 26
2, take the deviaton of each of your data value
i.e.
26-16 = 10
26-20 = 6
...
26-35 = -9

3. take the absolute values of the above deviations
4. find the mean of those positive numbers

actually if you have Excel, there is a function AVEDEV(....) that will do this for you

enter 16, 20, ... 35 into
cells A1, A2, ... A9
in cell B1 put = AVEDEV(A1:A9)

you should get the result in B1
answered by: kem
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