What percentage of the general U.S. population have bachelors degrees? The Statistical Abstract of the United States,

Question:

What percentage of the general U.S. population have bachelor€™s degrees? The Statistical Abstract of the United States, 120th edition, gives the percentage of bachelor€™s degrees by state. For convenience, the data are sorted in increasing order:

(a) Make a box-and-whisker plot and find the interquartile range.
(b) Illinois has a bachelor€™s degree percentage rate of about 26%. Into what quartile does this rate fall?