Question: Suppose we have the following returns for large-company stocks and Treasury bills over a six year period: US Treasury Bill Year Large Company 4.72 3.68 14.15 3.57 4.16 19.19 14.49 5.90 -31.98 5.24 37.43 6.18
a. Calculate the arithmetic average returns for large-company stocks and Tbills over this period. (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) Average returns Large company stocks T-bills.
b. Calculate the standard deviation of the returns for large-company stocks and T-bills over this period. (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.).