问题
单项选择题
A distribution with a mean that is less than its median is most likely:（）
A. is negatively skewed.
B. is positively skewed.
C. has negative excess kurtosis.
答案
参考答案：A
解析：
A distribution with a mean that is less than its median is a negatively skewed distribution. A negatively skewed distribution is characterized by many small gains and a few extreme losses. Note that kurtosis is a measure of the peakedness of a return distribution.