Question: Is there a difference in the yields of different types of investments? The file CDRate contains the yields for a one-year certificate of deposit (CD)

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

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

a. Construct a 95% confidence interval estimate for the mean yield of one-year CDs.

b. Construct a 95% confidence interval estimate for the mean yield of five-year CDs.

c. Compare the results of (a) and (b).

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a One Year CD 05613 08566 b Five Year CD 11484 15285 Minitab Output c The mean yield for a ... View full answer

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