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

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Finance

Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. Returns Year X Y 1 7 % 22 % 2 25 43 3 14 -7 4 -15 -21 5 16 51 Requirement 1: (a) Calculate the arithmetic average return for X. (b) Calculate the arithmetic average return for Y. Requirement 2: (a) Calculate the variance for X. (Do not round intermediate calculations.) (b) Calculate the variance for Y. (Do not round intermediate calculations.) Requirement 3: (a) Calculate the standard deviation for X. (Do not round intermediate calculations.) (b) Calculate the standard deviation for Y. (Do not round intermediate calculations.)

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