Is there a difference in the variation of the yields of different types of investments? The file CD Rate contains the yields for oneyear certificates of deposit (CDs) and five-year CDs for 39 banks listed for West Palm Beach, Florida on January 9, 2017.

Source: Data extracted from www.Bankrate.com, January 9, 2017.

a. For one-year and five-year CDs, separately compute the variance, standard deviation, range, and coefficient of variation.

b. Based on the results of (a), do one-year CDs or five-year CDs have more variation in the yields offered? Explain.