问题如下图:
选项:
A.
B.
C.
解释:
答案是不是有问题? C选项说的是Stock B
NO.PZ2018062016000051 问题如下 Having collectemereturns for the three stocks, the analyst is now concerneabout evaluating spersion.Whiof the following statements is least accurate? A.Baseon the variance,StoA hthe highest spersion. B.Baseon the range,StoC hthe lowest spersion. C.Baseon the meabsolute viation(MA,StoB hthe highest spersion. C is correct. MAA)=(|-39-2.4|+|31-2.4|+|12-2.4|+|-4-2.4|+|12-2.4|)/5=19.12MAB)=(|-35-4.4|+|25-4.4|+|15-4.4|+|0-4.4|+|17-4.4|)/5=17.52MAC)=(|6-2|+|-8-2|+|11-2|+|-2-2|+|3-2|)/5=5.6Baseon the MAStoA hthe highest spersion.该题题目是要求least accurate,即最不正确的。所以选择 B里的rang求最大值最小值该怎么求?
NO.PZ2018062016000051问题如下 Having collectemereturns for the three stocks, the analyst is now concerneabout evaluating spersion.Whiof the following statements is least accurate?A.Baseon the variance,StoA hthe highest spersion.B.Baseon the range,StoC hthe lowest spersion.C.Baseon the meabsolute viation(MA,StoB hthe highest spersion. C is correct. MAA)=(|-39-2.4|+|31-2.4|+|12-2.4|+|-4-2.4|+|12-2.4|)/5=19.12MAB)=(|-35-4.4|+|25-4.4|+|15-4.4|+|0-4.4|+|17-4.4|)/5=17.52MAC)=(|6-2|+|-8-2|+|11-2|+|-2-2|+|3-2|)/5=5.6Baseon the MAStoA hthe highest spersion.该题题目是要求least accurate,即最不正确的。所以选择如果遇到这种题,只能针对每个全部手算吗? 有没有更快的解题思路啊? 感觉手算特费时间。感觉一分多钟也算不完似的。 〈
NO.PZ2018062016000051 问题如下 Having collectemereturns for the three stocks, the analyst is now concerneabout evaluating spersion.Whiof the following statements is least accurate? A.Baseon the variance,StoA hthe highest spersion. B.Baseon the range,StoC hthe lowest spersion. C.Baseon the meabsolute viation(MA,StoB hthe highest spersion. C is correct. MAA)=(|-39-2.4|+|31-2.4|+|12-2.4|+|-4-2.4|+|12-2.4|)/5=19.12MAB)=(|-35-4.4|+|25-4.4|+|15-4.4|+|0-4.4|+|17-4.4|)/5=17.52MAC)=(|6-2|+|-8-2|+|11-2|+|-2-2|+|3-2|)/5=5.6Baseon the MAStoA hthe highest spersion.该题题目是要求least accurate,即最不正确的。所以选择 请问,题目中给了stanrviation 和 mean, 那可以用CV来算spersion吗?因为得到的答案和M的答案是一样的,那用哪个一个最好?MACV的用法区别是什么呢?
NO.PZ2018062016000051问题如下Having collectemereturns for the three stocks, the analyst is now concerneabout evaluating spersion.Whiof the following statements is least accurate?A.Baseon the variance,StoA hthe highest spersion.B.Baseon the range,StoC hthe lowest spersion.C.Baseon the meabsolute viation(MA,StoB hthe highest spersion. C is correct. MAA)=(|-39-2.4|+|31-2.4|+|12-2.4|+|-4-2.4|+|12-2.4|)/5=19.12MAB)=(|-35-4.4|+|25-4.4|+|15-4.4|+|0-4.4|+|17-4.4|)/5=17.52MAC)=(|6-2|+|-8-2|+|11-2|+|-2-2|+|3-2|)/5=5.6Baseon the MAStoA hthe highest spersion.该题题目是要求least accurate,即最不正确的。所以选择老师,请问这个题目算ma办法用计算器吗
NO.PZ2018062016000051 问题如下 Having collectemereturns for the three stocks, the analyst is now concerneabout evaluating spersion.Whiof the following statements is least accurate? A.Baseon the variance,StoA hthe highest spersion. B.Baseon the range,StoC hthe lowest spersion. C.Baseon the meabsolute viation(MA,StoB hthe highest spersion. C is correct. MAA)=(|-39-2.4|+|31-2.4|+|12-2.4|+|-4-2.4|+|12-2.4|)/5=19.12MAB)=(|-35-4.4|+|25-4.4|+|15-4.4|+|0-4.4|+|17-4.4|)/5=17.52MAC)=(|6-2|+|-8-2|+|11-2|+|-2-2|+|3-2|)/5=5.6Baseon the MAStoA hthe highest spersion.该题题目是要求least accurate,即最不正确的。所以选择 老师,可以讲一下stanrviation吗?好像没学到这个知识点