statistics

Use the Geometric Mean

To average normalized data use the Geometric Mean. Do not use the Arithmetic Mean to average normalized data. The Geometric Mean of n numbers is the product of the numbers to the 1/n^th power.

GM = (N₁ * N₂ * ... * N_n) ^(1/n)

(ⁿ∏_i=1 a_i ) ^(1/n)

media:The Correct Way to Summarize Benchmark Results.pdf