Question

Use the following returns for X and Y. Returns Year X Y 1 21.5 % 25.5...

Use the following returns for X and Y.

Returns
Year X Y
1 21.5 % 25.5 %
2 – 16.5 –3.5
3 9.5 27.5
4 19.0 –14.0
5 4.5 31.5


Calculate the average returns for X and Y.

Average returns
X %
Y %

  
Calculate the variances for X and Y.
  

Variances
X
Y

  
Calculate the standard deviations for X and Y.
  

Standard deviations
X %
Y %
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Homework Answers

Answer #1

AVg Return:

AVg ret = Sum of returns / n

Variance = Sum [ (X-Avg X)2] / n

Variance = Sum [ (Y-Avg Y)2] / n

Variance of X:

Variance of Y:

SD = Sqaure root [Varince]

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