E The expected annual returns are 12% for investment 1 and 13% for investment 2. The standard deviation of the first investment's return is 7%; the second investment's return has a standard deviation of 3%. Which investment is less risky based solely on standard deviation? Which investment is less risky based on coefficient of variation? Which is a better measure given that the expected returns of the two investments are not the same? Which investment is less risky based solely on standard deviation? (Select from the drop-down menus.) is less risky because its standard deviation is