From the library or internet search, try to find the average real rate of return and standard deviation (as a measure of risk) from the 1920s until...

a. From the library or internet search, try to find the average real rate of return and standard deviation (as a measure of risk) from the 1920s until the present for 1. Common stock 2. Long-term corporate bonds and 3. U.S. Treasury bills. b. Do the values that you found confirm your expectations as to the different rates of return for the three types of investments?