Question

In: Finance

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 15 %     22 %    
2 33         43        
3 22         -9        
4 -23         -23        
5 24         51   
Calculate the arithmetic average return for X.

   

Calculate the arithmetic average return for Y.

  

Calculate the variance for X.

   

Calculate the variance for Y.

  

Calculate the standard deviation for X.

   

Calculate the standard deviation for Y.

Solutions

Expert Solution

Arthematic Average Return of X
Year Returns X
1 15%
2 33%
3 22%
4 -23%
5 24%
Sum of Returns 71%
Arthematic Average Return = Sum /n 14.2%
Arthematic Average Return of Y
Year Returns Y
1 22%
2 43%
3 -9%
4 -23%
5 51%
Sum of Returns 84%
Arthematic Average Return = Sum /n 16.8%
Varaince & Standard Deviation of X
Year Returns X X-Avg X (X-Avg X)^2
1 15% 0.8000% 0.000064
2 33% 18.8000% 0.035344
3 22% 7.8000% 0.006084
4 -23% -37.2000% 0.138384
5 24% 9.8000% 0.009604
Sum of (X-Avg X)^2 0.189480
Vairiance = [ sum(X-Avg X)^2] / n 0.037896 i.e., 3.79%
Standard devaiation = Sqrt of Variance 0.19466895 i.e., 19.47%
Varaince & Standard Deviation of Y
Year Returns Y Y-Avg Y (Y-Avg Y)^2
1 22% 5.2000% 0.002704
2 43% 26.2000% 0.068644
3 -9% -25.8000% 0.066564
4 -23% -39.8000% 0.158404
5 51% 34.2000% 0.116964
Sum of (Y-Avg Y)^2 0.413280
Vairiance = [ sum(Y-Avg Y)^2] / n 0.082656 i.e., 8.27%
Standard devaiation = Sqrt of Variance 0.28749957 i.e., 28.75%

Pls do rate, if the answer is correct and comment, if any further assistance is required.


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