单选题 Which of the following statements concerning skewness is FALSE? A distribution with:
  • A. positive skewness has a long left tail.
  • B. negative skewness has a large number of outliers on its left side.
  • C. a distribution with skew equal to 1 is not symmetrical.
【正确答案】 A
【答案解析】A distribution with positive skewness has long right tails.