NO.PZ202306050200000302
问题如下:
The target semideviation of the returns over the 10 years, if the target is 2 percent,
is closest to:
选项:
A.1.42 percent.
1.50 percent.
2.01 percent.
解释:
B is correct. The target semideviation of the returns over the 10 years with a target
of 2 percent is calculated as follows:
The target semideviation is the square root of the sum of the squared deviations
from the target, divided by n − 1:
讲义里的公式没有开根号啊