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rmhamei · 2023年11月06日

能翻译一下三个选择都是什么意思吗？

  1. CFA I
  2. Quantitative

NO.PZ2023052302000005

问题如下：

Which of the following statements regarding arithmetic and geometric means is correct?

选项：

A.

The geometric mean will exceed the arithmetic mean for a series with non-zero variance

B.

The geometric mean measures an investment’s compound rate of growth over multiple periods.

C.

The arithmetic mean measures an investment’s terminal value over multiple periods.

解释：

B is correct. The geometric mean compounds the periodic returns of every period, giving the investor a more accurate measure of the terminal value of an investment.

能翻译一下三个选择都是什么意思吗？

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1 个答案

星星_品职助教 · 2023年11月06日

同学你好，

本题为有讲解的经典题，选项均有讲解，提问请具体说明讲解中不理解的地方：

-----------------

A：只要一组数字中不全都是相等的数，则该组数字的几何平均就大于算术平均。

B：几何平均衡量多期投资中的复利增长率。

C：算数平均衡量多期投资中的投资终值。


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