geometric mean

2 definitions found

geometric mean - WordNet (r) 2.1 (2005) :

  geometric mean
      n 1: the mean of n numbers expressed as the n-th root of their
           product

geometric mean - Free On-line Dictionary of Computing (26 May 2007) :

  geometric mean
  
     <mathematics> The Nth root of the product of N numbers.
  
     If each number in a list of numbers was replaced with their
     geometric mean, then multiplying them all together would still
     give the same result.  The geometric mean thus gives an
     average "factor" in a context where numbers are multiplied
     together, e.g. compound interest.
  
     Wolfram (http://mathworld.wolfram.com/GeometricMean.html).
  
     (2007-03-16)