Mean Deviation About Mean Formula. 1 4 2 1 2 8 2 1 1 8. For example if the mean is 5 and a number is 7 6 the distance is 2 6.
Find the mean deviation about mean for the following data. Large mean deviation from mean frac sum left x overline x right n large mean deviation from median frac sum left x m right n here sum represents the summation. 255 255 then the.
In that example the values are on average 3 75 away from the middle.
We will find the formula of mean deviation from mean for individual series discrete series and continuous series. Click here to learn more about the assumed mean method in detail. Find the mean deviation about mean for the following data. It tells us how far on average all values are from the middle.
