Find Mean Deviation About Median. M d frac sum f left x overline x right sum f when the mean deviation is calculated about the median the formula becomes. X mid value of the class m median.
Find the mean of all values. M d frac sum f left x overline x right sum f when the mean deviation is calculated about the median the formula becomes. Mean deviation from median.
Find the distance of each value from that mean subtract the mean from each value ignore minus signs 3.
Find the mean of all values. X mid value of the class m median. Arranging data in ascending order. Example 7 calculate the mean deviation about median for the following data.
