An investor can choose from a very large number of mutual funds. Each mutual fund has its own mix of different types of investments. The data in BestFunds2 present the one year return for the 10 best short term bond, long term bond, and world bond funds, according to the U. S. News & World Report. (Data extracted from money.­usnews.com/ mutual funds.) Analyze the data and determine whether any differences exist in the one year return between short term, long-term, and world bond funds. (Use the 0.05 level of significance.)