Question

Is there a difference in the yields of different types of in-vestments? The file CDRate contains the yields for a one- year certificate of deposit (CD) and a five- year CD for 22 banks in the United States as of March 12, 2014. (Data extracted from www. Bankrate. com, March 12, 2014.)
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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  • CreatedJuly 16, 2015
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