Consider the following table for a period of six years: Returns Year Large-Company Stocks 1 2 3 4 5 6 -15.29% -26.65 37.35 24.05 -7.40 6.69 U.S. Treasury Bills 7.41% 8.05 a-1. Arithmetic average return a-2. Standard deviation 5.99 5.67 5.51 7.82 a-1. Calculate the arithmetic average returns for large-company stocks and T-bills over this time period. Note: Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16. a-2. Calculate the standard deviation of the returns for large-company stocks and T-bills over this time period. Note: Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16. Large-company stocks % % T-bills % % Calculate the observed risk premium in each year for the large-company stocks versus the T-bills. b-1. What was the arithmetic average risk premium over this period? Note: A negative answer should be indicated by a minus sign. Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16. b-2. What was the standard deviation of the risk premium over this period? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.

Consider the following table for a period of six years: a-1. Calculate the arithmetic average returns for large-company stocks and T-bills over this time period. Note: Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16. a-2. Calculate the standard deviation of the returns for large-company stocks and T.bills over this time period. Note: Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.9., 32.16. Calculate the observed risk premium in each year for the large-company wocks versus the T-bills. b.1. What was the arithmetic average risk premium over this period? Note: A negative answer should be indicated by a minus sign, Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16. b-2. What was the standard deviation of the risk premium over this period? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.9., 32.16. \begin{tabular}{|l|l|l|} \hline b-1. Average risk premium & & s \\ \hline b-2. Risk premium standand deviation & & $ \\ \hline \end{tabular}