Consider the following table for the total annual returns for a given period of time. Series Average return Standard Deviation Large-company stocks 11.1 % 19.9 % Small-company stocks 16.4 33.0 Long-term corporate bonds 6.2 8.4 Long-term government bonds 6.1 9.4 Intermediate-term government bonds 5.6 5.7 U.S. Treasury bills 3.8 3.1 Inflation 3.1 4.2 Requirement 1: What range of returns would you expect to see 68 percent of the time for large-company stocks? What about 95 percent of the time?