标题: 求教CFA I mock一道数学题。。感觉答案是不是错了。。。 [打印本页] 作者: yimxu 时间: 2015-5-27 21:21 标题: 求教CFA I mock一道数学题。。感觉答案是不是错了。。。
The following 10 observations are a sample drawn from a normal population: 25, 20, 18, –5, 35, 21,–11, 8, 20, and 9. The fourth quintile (80th percentile) of the sample is closest to:
A8.
B24.
C21.
Answer = C
"Statistical Concepts and Market Returns," Richard A. DeFusco, Dennis W. McLeavey, Jerald E.Pinto, and David E. Runkle
Section 6.1