## Mean Deviation About Mean and Median – Formula and Examples

Here you will learn what is the mean deviation formula with examples. Let’s begin –  Mean Deviation Formula (i) For Ungrouped distribution : Definition : If $$x_1$$, $$x_2$$, ….. , $$x_n$$ are n values of a variable X, then the mean deviation from an average A (median or arithmetic mean) is given by Mean Deviation …