Mean Deviation
Mean Deviation: Overview
This topic covers the concept of mean deviation.
Important Questions on Mean Deviation
Find the mean deviation from the median for the following data:
Age (years) | ||||||||
No. of workers |

Find the mean deviation about the median for the following data:

Find the mean deviation about the median for the following data:

Find the mean deviation from mean of the following distribution:
Weight(in gms) | |||||||
No. of items |

If the mean of the first positive integral multiples of is denoted by and the median of the same numbers is denoted by , then what is the value of ?

The mean deviation from the median for the following distribution (corrected to two decimals) is

The mean deviation about the mean for the following data is:

The mean deviation from the mean of the series is

The mean deviation of the data is:

The mean deviation of the data is _________ .

Consider any set of observations . It is given that . Then, the mean deviation from median of this set of observations about a point is minimum when equals

Consider any set of observations, it is given that, then the mean deviation of this set of observations about a point is minimum when is equal to

The algebraic sum of the deviations of observations measured from is . The mean of observations is,

The mean deviation about median from the following data is


Consider any set of 201 observations x1, x2,..., x200, x201. It is given that x1 < x2 <...< x200 < x201. Then, the mean deviation of this set of observations about a point k is minimum when k equals

The batsman scores runs in innings and , then the mean deviation from median is

The arithmetic mean of observations is . If the sum of observations is , then the mean of remaining four observations is

In a class of students, the average amount of pocket money is per student. If the average is for girls and for boys, then the number of girls in the class is

The mean of n observations is . If one observation is added, then the mean remains same. The value of is
