NO.PZ202106160300003003
问题如下:
The harmonic mean return over the 10 years is closest to:
选项:
A.2.94% B.2.97% C.3.00%解释:
A is correct.
The harmonic mean return = (n/Sum of reciprocals)-1 = (10 /9.714) -1 = 2.9442%
harmonic mean的公式分母不是1/return吗?怎么这道题是1/(1+return)?