What is the mean absolute deviation (MAD) for the following set of data? (2, 5, 7, 1, 2)
A. 3.4
B. 2
C.2.08
D. 5
1 answer
When put together, we can define mean deviation as the mean distance of each observation from the mean of the data. Mean Absolute Deviation Formula. Ratio of sum of all absolute values of deviation from central measure to the total number of observations. M.A. D = (Σ Absolute Values of Deviation from Central Measure) / (Total Number of Observations)