math

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

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  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

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