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Mean

Dispersion

Dispersion Dispersion means the variability, spread in the data. Average gives a single representative of the data however reliability of average is more if dispersion is less. Consider the following example, suppose there are three…

Central Tendency or Average

Central Tendency or Average. Last time I discussed about Data Types. Today I am going to discuss about “Central Tendency” or “Average”. The word "Average" denotes a 'representative' or 'typical value' of a whole set of observations. Average…