NO.PZ2018062016000056
问题如下:
Given the table above, which of the following statements is least accurate regarding to the skewness of Stock C?
选项:
A.
The return distribution has a few extreme gains.
B.
The return distribution has a few extreme losses.
C.
The mean return is larger than its median.
解释:
B is correct. The skewness of Stock C is positive,which shows right fat tails. A positive skewed distribution has frequent small losses and a few extreme gains.
题干是选最不正确least accurate的,所以选B。
skewness=0或kurtosis=3推不出正态分布吗?skewness=0且kurtosis=3能推出正态分布吗?