Monday, July 19, 2010

What is Mean


Let us understand What is Mean:Mean comes under the topic Statistics. It is classified as one of the measures of dispersion. The other methods that are used to calculate the mean deviation are range, quartile deviations, etc..While calculating range and quartile deviation, we wont consider all the collected data for calculation. But in the measure of dispersion called mean deviation, we consider all the observed values.Let us now look at a more specific explanation of Mean Deviation.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 mean symbol M.D.Hope you like the above example of Mean.Please leave your comments, if you have any doubts.

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