Wednesday, July 21, 2010

Explain Mean Deviaition

Introduction to Mean Deviation:
          Today graphics, tables, reasoning, estimation and prediction are playing a very important role in stating the facts in terms of figures.
          Statistics deals mainly in communicating facts and figures in terms of a method called statistical method. Collection, classification, tabulation, representation, reasoning, testing and drawing inferences are part of statistical methods.
The word statistics is used with two meanings. 1. Systematically collected and presented numerical data. 2. Processing the numerical data and to draw conclusions from there.

     The mean deviation of a statistical data is defined as the arithmetic mean of the numerical values of the deviations of items from some average value.
     Mean deviation is also known as average deviation.
     The mean deviation is generally denoted by M.D.


Hope you liked the above explanation. Please leave your comments, if you have any doubts.

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