Finance Question

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
Section: Chapter Questions
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The standard deviation of annual return 

X = sum/n = 5+9+1+(-2)+7/5

                     = 20/5 =4

             x = 4   

Finance homework question answer, step 1, image 1

standard deviation   =    (5-4)2+(9-4)2+(1-4)2+(-2-42)+(7-4)2/4-11+25+(-9)+36+9/3= 4.5460 

 

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