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Using the following returns, calculate the arithmetic averagereturns, the variances, and the standard deviations for X andY. ReturnsYearXY112 % 20 % 230 41 319 -7 4-20 -21 521 49 Requirement 1:(a)Calculate the arithmetic average return for X.(Click to select)10.04%15.13%15.50%12.40%14.01% (b)Calculate the arithmetic average return for Y.(Click to select)13.28%16.40%20.50%20.01%18.53% Requirement 2:(a)Calculate the variance for X. (Do not roundintermediate calculations.)(Click to select)0.0369300.0368120.0299130.0461630.046014 (b)Calculate the variance for Y. (Do not roundintermediate calculations.)(Click to select)0.0852570.1065710.0906800.0734510.113350 Requirement 3:(a)Calculate the standard deviation for X. (Do not roundintermediate calculations.)(Click to select)19.09%24.02%15.57%21.45%19.22% (b)Calculate the standard deviation for Y. (Do not roundintermediate calculations.)(Click to select)30.11%24.39%37.64%29.20%32.65%