Question

Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for...

Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y.

Returns

Year

X

Y

1

11 %    

24 %    

2

29        

45        

3

18        

-12        

4

-19        

-26        

5

20        

53        

Calculate the arithmetic average return for X?

11.80% is correct

Calculate the arithmetic average return for Y?

16.80% is correct

Need help with the rest:

Calculate the variance for X. ?

0.033770

0.041997

0.033597

0.042213

0.027354

Calculate the variance for Y.?

0.120470

0.137145

0.109716

0.150588

0.097581

Calculate the standard deviation for X?

18.38%

20.49%

18.23%

22.97%

14.89%

Calculate the standard deviation for Y.

?34.71%

37.03%

33.12%

43.39%

28.11%

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