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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
Measure of central tendency are measure? 3 common Measure of central tendency are the mean, median and the mode.   They are measures in that they tell how how far any given value is from the center of a set of datâ¦a.       For example, the mean is commonly known as the average.