Business & Management
Undergraduate
請問報酬率標準差怎麼算,我算了很多次還是錯誤🙏
牛刀小試45NMPLE
承牛刀小試4-2,請問環球晶股票的報酬率標準差是多少?
So=√(50% -26%)²×0.6 +(19%— 26%)² ×0.2 +(-30%— 26%)²×0.2=1
環球晶股票的報酬率標準差為32%。
1.48
(-98.568)
82,14
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