2
问题如下图：
选项：
A. 
B. 
C. 
解释：
老师，FUND A全部加起来是20.4，除2得10.2，在2017内，不应该是6.5么
NO.PZ2018062016000045 问题如下 Alex bought funA anfunC in 2014. In 2015, he bought funB:whiof the following statements is correct? A.The mereturn of funA is 6.5 B.The mereturn of funB is 3 C.The mereturn of funC is 1.3 C is correct. The meanl return of funA is 6.The meanl return of funB is 4.The meanl return of funC is 1.3. 空白年度算不算n的一部分？
NO.PZ2018062016000045问题如下Alex bought funA anfunC in 2014. In 2015, he bought funB:whiof the following statements is correct?A.The mereturn of funA is 6.5B.The mereturn of funB is 3C.The mereturn of funC is 1.3C is correct. The meanl return of funA is 6.The meanl return of funB is 4.The meanl return of funC is 1.3.这种空白不应该当0处理么
NO.PZ2018062016000045 The mereturn of funB is 3 The mereturn of funC is 1.3 C is correct. The meanl return of funA is 6.The meanl return of funB is 4.The meanl return of funC is 1.3. 中位数是哪页PPT讲的了？和分位点混淆了
为什末B的mean是4？
