Question 10 Not yet answered Marked out of 1 p Flag question the coefficient of variation for the US long term government Table 24 Arithmetic Mean Annual Return and Standard Deviation of Returns, U.S. Asset Classes, 1926-2002 Asset Class Arithmetic Mean Return (%) Standard Deviation of Return (%) 12.3 S&P 500 U.S. small stock U.S. long-term corporate US long-term government U.S. 30-day T-bill 16.9 6.1 5.8 3.8 21.9 35:1 2.2 8.2 0.9 1.414 1.8976 1.987