Returns   Year X Y   1   20 %   15 %   2   23     35     3   9     14     4 − 16   − 21     5   10     25         Using the returns shown above, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y.                                               X                                 Y Average returns                        %                              % Variances                Standard deviations                     %                               %

EBK CFIN
6th Edition
ISBN:9781337671743
Author:BESLEY
Publisher:BESLEY
Chapter12: Capital Structure
Section: Chapter Questions
Problem 6PROB
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Problem 10-7 Calculating Returns and Variability

  Returns  
Year X Y  
1   20 %   15 %  
2   23     35    
3   9     14    
4 16   21    
5   10     25    
 

 

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

                                              X                                 Y

Average returns                        %                              %

Variances               

Standard deviations                     %                               %

Expert Solution
Step 1

Standard Deviation:

  • It represents the dispersion in a set of data that is relative to the average or means.
  • Standard deviation is computed by taking the variance's square root.
  • In finance terms, standard deviation represents the asset's relative riskiness.

 

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