In: Finance
| Consider the following table for a period of six years. | 
| Returns | |||||||
| Year | Large-Company Stocks | U.S. Treasury Bills  | 
|||||
| Year 1 | – | 15.39 | % | 7.43 | % | ||
| Year 2 | – | 26.68 | 8.06 | ||||
| Year 3 | 37.37 | 6.01 | |||||
| Year 4 | 24.07 | 5.77 | |||||
| Year 5 | – | 7.44 | 5.52 | ||||
| Year 6 | 6.71 | 7.85 | |||||
| Requirement 1: | 
| 
 Calculate the arithmetic average returns for large-company stocks and T-bills over this time period. (Do not round intermediate calculations. Enter your answers as a percentage rounded to 2 decimal places (e.g., 32.16).)  | 
| Arithmetic average returns | |
| Large-company stock | % | 
| T-bills | % | 
| Requirement 2: | 
| 
 Calculate the standard deviation of the returns for large-company stocks and T-bills over this time period. (Do not round intermediate calculations. Enter your answers as a percentage rounded to 2 decimal places (e.g., 32.16).)  | 
| Standard deviation | |
| Large-company stock | % | 
| T-bills | % | 
| Requirement 3: | |
| Calculate the observed risk premium in each year for the large-company stocks versus the T-bills. | |
| (a) | 
 What was the arithmetic average risk premium over this period? (Negative amount should be indicated by a minus sign. Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places (e.g., 32.16).)  | 
| Risk premium | % | 
| (b) | 
 What was the standard deviation of the risk premium over this period? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places (e.g., 32.16).)  | 
| Risk premium standard deviation | % |