问题
单项选择题
An analyst collects the following set of ten returns of a firm from the past: 2.2 percent, 6.2 percent, 8.9 percent, 9.3 percent, 10.5 percent, 11.7 percent, 12.3 percent, 14.1 percent, 15.3 percent, and 18.4 percent. What value is closest to the geometric mean return of this firm()
A. 9.62%
B. 10.80%
C. 10.89%
答案
参考答案：B
解析：
[分析]：
几何平均值rG=1.1080-1=10.80%
[考点] 集中趋势的测量方法