题目
If a distribution with the same variance as a normal distribution has kurtosis greater than 3, which of the following is TRUE?
选项
A.It has fatter tails than normal distribution.
B.It has thinner tails than normal distribution.
C.It has the same tail fatness as the normal distribution since, variances are the same.
D.Cannot be determined from the information provided.
答案
A
解析
Greater kurtosis than for the normal implies fatter tails.比正态分布更大的峰度意味着尾巴更胖。