As reported by the U.S. Census Bureau in Current Population Reports, the percentage of adults in each

Question:

As reported by the U.S. Census Bureau in Current Population Reports, the percentage of adults in each state and the District of Columbia who have completed high school is provided on the WeissStats CD.
a. Obtain and interpret the quartiles.
b. Determine and interpret the interquartile range.
c. Find and interpret the five-number summary.
d. Identify potential outliers, if any.
e. Obtain and interpret a boxplot.