计算器的使用

NO.PZ2018070201000066

问题如下：

The return projections have been made by Eunice. an analyst from an investment company, for each of the assets with the same probability of occurrence, which two assets are perfectly negatively correlated?

选项：

Asset A and Asset B.

Asset A and Asset C.

Asset B and Asset C.

解释：

C is correct.

Asset B and Asset C have returns that are the same for Outcome 2, but the exact opposite returns for Outcome 1 and Outcome 3; therefore, because they move in opposite directions at the same magnitude, they are perfectly negatively correlated.

We can also use the calculator to measure the correlation. The correlation between asset B and asset C is -1, so perfectly negatively correlated.

2nd 7，CLR后输入X01=20，Y01=0，X02=10，Y02=10……输入结束后，按2nd 8，显示1-V，然后显示Error 4，是哪里有错误呢

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1 个答案

Kiko_品职助教 · 2024年10月08日

嗨，努力学习的PZer你好：

试一下直接按“2nd+ENTER”，即调用“SET”功能。

正常按一下后，“1-V”就应该变成“LIN”（如果不是，就多按几次2nd+ENTER，直到出现LIN为止）。在“LIN”模式下输入计算器即可。

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就算太阳没有迎着我们而来，我们正在朝着它而去，加油！

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NO.PZ2018070201000066 老师，这道题的correlation=-1是怎么求出来的呢？另外完全负相关为啥outcome2和4是相同收益呢？

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计算器的使用

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