GeometricMean
GeometricMean[data] gives the geometric mean of the values in data.
Examples
Geometric mean of a list:
GeometricMean[{2, 4, 8}]
(* 4 *)Compared to arithmetic mean:
{GeometricMean[{1, 9}], Mean[{1, 9}]}
(* {3, 5} *)Please visit the official Wolfram Language Reference for more details.