1 rn - 1. For calculating the geometric mean of n n numbers we multiply the numbers together and then take an n n th root of the result. Geometric Average Return Formula.
Geometric Mean X 1X 2X 3X N 1N Where X Individual score N Sample size Number of scores.
GAR sqrtn 1 r1 times 1 r2 times. The mean proportional of two positive numbers a and b will e the positive number x so that. R rate of return. Where n is number of numbers and X1Xn are the numbers from the first to the n-th.