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ruby5ltc · 2022年03月24日

计算几何平均数可以用计算器吗?

NO.PZ2021061603000022

问题如下:

The following exhibit shows the annual returns for Fund Y.


The geometric mean return for Fund Y is closest to:

选项:

A.14.9% B.15.6% C.19.5%

解释:

A is correct. The geometric mean return for Fund Y is found as follows:

Fund Y= [(1 + 0.195) x (1-0.019) × (1 + 0.197) x (1 + 0.350) x (1 + 0.057)](1/5) -1 = 14.9%.

计算几何平均数可以用计算器吗?

1 个答案

星星_品职助教 · 2022年03月25日

同学你好,

没法直接按出来,需要根据公式计算。

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