$5 million 1991 Disc jockey England Fast & Furious Joe McElderry Joe McElderry discography Joseph Joe McElderry Joseph McElderry Joseph Mcelderry Net Worth.
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
A measure of central tendency (also referred to as measures of centre or central location) is a summary measure that attempts to describe a whole set of data with a single value that represents the middle or centre of its distribution.