Over the past 4 years, large-company stocks and U.S. Treasury bills have produced the returns stated below. Given this information,
What are the average rates of return on large-company stocks and Treasury bills?
What are the standard deviation for large-company stocks and Treasury bills?
year 1 2 3 4
percent return on large company stocks 9 13 21 3
percent return on US treasury bills 3 2 4 4