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Mean Absolute Deviation

Find the mean absolute deviation: find the mean, then find how far each value is from the mean, and average those distances.

Example

Find the mean absolute deviation (MAD) of this data set:   8, 4, 10, 4, 4

mean = 30 ÷ 5 = 6;   distances: 2, 2, 4, 2, 2;   MAD = 12 ÷ 5 = 2.4
  1. 1.

    Find the mean absolute deviation (MAD) of this data set:   5, 2, 7, 10, 6
  2. 2.

    Find the mean absolute deviation (MAD) of this data set:   12, 8, 3, 6, 11
  3. 3.

    Find the mean absolute deviation (MAD) of this data set:   9, 20, 8, 18, 5
  4. 4.

    Find the mean absolute deviation (MAD) of this data set:   1, 3, 8, 11, 12
  5. 5.

    Find the mean absolute deviation (MAD) of this data set:   18, 19, 20, 25, 3