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The arithmetic mean is the most common measure of central tendency. It is simply the sum of the numbers divided by the number of numbers. The symbol Î¼ is used for the mean of a population. The symbol M is used for the mean of a sample. The formula for Î¼ is shown below: Î¼ = Î£X/N
In statistics, a central tendency (or, more commonly, a measure of central tendency) is a central or typical value for a probability distribution.It may also be called a center or location of the distribution.Colloquially, measures of central tendency are often called averages.hat is, given a measure of statistical dispersion, one asks for a measure of central tendency that minimizes variation: such that variation from the center is minimal among all choices of center. In a quip, dispersion precedes location.