IanZQ · 2022年10月19日

sample standard deviation

1. CFA II
2. Quantitative

* 问题详情，请 查看题干

NO.PZ202109130200003704

问题如下：

Calculate the sample standard deviation of monthly energy consumption

选项：

解释：

The sample variance of the dependent variable uses the total variation of the

dependent variable and divides it by the number of observations less one:

The sample standard deviation of the dependent variable is the square root of the variance, or

$\sqrt {2.3827}$

请问这题在讲义哪里啊？sample standard deviation