|
- UID
- 217791
- 帖子
- 223
- 主题
- 174
- 注册时间
- 2011-5-24
- 最后登录
- 2012-9-12
|
Elan mock 3 - Quant nr 21
Hey guys,
Each month of 2009, abi purchases 10 shares of xyz stock. Given that the average price for each month is different, in order to calculate the average cost of all his purchases. Abi can most likely:
A. use the weighted mean but not harmonic
B. Use harmonic but not weighted
C. Use either harmonic or the weighted mean
I thought B. the harmonic mean but apparently not 
Can someone clarify?
Thks |
|
发表于 2011-7-11 19:53
| 