Advantages and Disadvantages of Measures of Variability

Pranay Kumar

May 21, 16

Please go through the article to understand the associated Advantages and Disadvantages of Measures of Variability in system

Advantages Disadvantages Measuring Variability

The extent to which the observations in a sample or in a population vary about their mean is known as dispersion. A quantity that measures dispersion in a sample or population is known as a measure of dispersion, scatter or variability. There are certain associated Advantages Disadvantages Measuring Variability which one should take care of. There are two types of measure of dispersion that are absolute and relative dispersion. An absolute measure of dispersion is one that measures the dispersion in terms of the same units or square of the units, as the units of data. For example, if the unit of the data are in rupees, meters, kilogram etc., the units of measure of dispersion will also be in rupees, meters, kilogram etc. A relative measure of dispersion is one that is expressed in the form of ratio, coefficient or percentage and is independent of the measure of units. The main measure of dispersion are the range, the semi inter quartile range, the mean deviation, the variance and standard deviation.

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