NO.PZ2020010304000029
问题如下：
What advantages do quantiles have compared to moments?
选项：
解释：
There are two potential advantages. First, quantiles are always well defined (exist) even when random variables are very heavy-tailed. Second, quantiles are less sensitive to outliers than moments.
请问如何理解：分位数比矩对异常值更稳定？
