The file CD Rate contains the yields for one-year CDs and five-year CDs, for 23 banks in

Question:

The file CD Rate contains the yields for one-year CDs and five-year CDs, for 23 banks in the United States, as of March 20, 2013.
Source: Data extracted from www.Bankrate.com, March 20, 2013.
For each type of account:
a. Compute the first quartile (Q1), the third quartile (Q3), and the interquartile range.
b. List the five-number summary.
c. Construct a boxplot and describe its shape.