The following information relates to the d
题型：单项选择题
问题：
The following information relates to the distribution of monthly returns from a diversified investment portfolio:
The distribution of monthly returns is best described as:()
A. positively skewed with a long tail on the left side.
B. negatively skewed with a long tail on the left side.
C. positively skewed with a tong tail on the right side.
