Finance Question

5. (TCO D) 
Which is the standard deviation of the returns on the index from 2000 to 2009 closest to?








Year End

Index Realized Return

(R - R)

(R - R)2


2000

23.6%

14.78%

0.0218448


2001

24.7%

15.88%

0.0252174


2002

30.5%

21.68%

0.0470022


2003

9.0%

0.18%

3.24E-06


2004

-2.0%

-10.82%

0.0117072


2005

-17.3%

-26.12%

0.0682254


2006

-24.3%

-33.12%

0.1096934


2007

32.2%

23.38%

0.0546624


2008

4.4%

-4.42%

0.0019536


2009

7.4%

-1.42%

0.0002016








A) 19.5%

B) 20.5%

C) 3.8%

D) 8.8%
Please help. Show work please. Need in 30 minutes. 

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