Assignment On Methodical Problems Difficulties of Statistics to Apply in Sociological Research

The measure of dispersion is the measure of the extent of variation or deviation of individual values from the central value. This measure of variation gives a precise idea as to the extent of representativeness of the central value.  The standard deviation, the mean deviation, the sum of squares, the standard score are the co-efficient of variation are the major part of the measure of variation. Among them, the first three standard deviation, mean deviation. Sum of squares is the absolute measure of variation and standard score are co-efficient of variation is the elative measure of variation.