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In statistics, mean has two related meanings: the arithmetic mean (and is distinguished from the geometric mean or harmonic mean). the expected value of a ...

A simple explanation of mean, or average, for journalists and other writers who might not know math.

Etymology: Middle English menen, from Old English mnan; akin to Old High German meinen to have in mind, Old Church Slavic mniti to mention ...

The arithmetic mean is what is commonly called the average: When the word "mean" is used without a modifier, it can be assumed that it refers to the ...

The arithmetic mean is what is commonly called the average: When the word "mean" is used without a modifier, it can be assumed that it refers to the ...