Is there a difference in the yields of different types of investments? The accompanying data provide yields for a one-year certificate of deposit (CD) and a five-year CD sold by a sample of 37 financial institutions. Based on the data, What can be concluded about the yields of the two types of CDs?
1) The one-year CD has a higher yield than the five-year CD
2) The five-year CD has a higher yield than the one-year CD
3) There is no significant difference in the yields of the two types of CDs
4) Cannot be determined based on the given data