Mean deviation

The mean deviation of a statistical data is also called arithmetic mean of the numerical values of the deviations of items from some average value. Friends make math interesting and you will enjoy math.

The mean deviation is generally denoted by M.D. It is (Mean deviation) also known as average deviation.

Formula for mean deviation for an individual series is given below



here M.D is the Mean Deviation and A.M is the Arithmetic Mean.

We have Free math practice test, check them out and let me know how much you understood the concept.