This technique is actually equivalent to the geometric mean: http://en.wikipedia.org/wiki/Geometric_mean#Relationship_with_arithmetic_mean_of_logarithms http://

This technique is actually equivalent to the geometric mean: http://en.wikipedia.org/wiki/Geometric_mean#Relationship_with_arithmetic_mean_of_logarithms http://en.wikipedia.org/wiki/Geometric_mean#Relationship_wit...