You are given the following set of data: HISTORICAL RATES OF RETURN Year NYSE Stock X 1 - 26.5% - 10.0% 2 37.2 25.0 3 23.8 12.5 4 - 7.2 5.0 5 6.6 9.9 6 20.5 15.6 7 30.6 16.3 Use a spreadsheet (or a calculator with a linear regression function) to determine Stock X's beta coefficient. Round your answer to two decimal places. Beta = Determine the arithmetic average rates of return for Stock X and the NYSE over the period given. Calculate the standard deviations of returns for both Stock X and the NYSE. Round your answers to two decimal places. Stock X NYSE Average return, % % Standard deviation, % %