Using the following returms, calaulate the arlthmetic everage returns, the varia

Question

Using the following returms, calaulate the arlthmetic everage returns, the variancos, and the standard deviations for X and Y 12% 30 19 21 % 42 -14 50 Requirement 1: a) Calculate the arthmetic average return for X 0Clck to select) B (t Calculate the arithmetic average m for Y Click to select) Requirement 2 (a) Caloulate the variance for X. (Do not round intermediate calculations.) (b) Caloulate the variance for Y. (Do not round intermediate calculations ) Requirement 3 a) Caloulate the standand deviation for X. (Do not round intermediate calculations) Click so b) Caloulate the standard deviation for Y. (De not round intermediabe calculations) MacBook Air 4

Explanation / Answer

For X:

Summary for X:

Mean= 12.4

Standarad deviation= 17.19

Variance= 295.44

For Y:

Summary for Y:

Mean= 14.2

Standarad deviation= 30.58

Variance= 935.36

Xi Xi-u (Xi-u)^2 (Xi-u)^2/n 12 -0.4 0.16 0.032 30 17.6 309.76 61.952 19 6.6 43.56 8.712 -20 -32.4 1049.76 209.952 21 8.6 73.96 14.792 62 Variance= 295.44 Standard deviation= Square root of variance = 17.19 Mean(u)= Total Xi/n Population size(n)= 5 Mean(u) = 62/5 = 12.4

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