In Exercises,

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. Construct and interpret a boxplot.

An issue of Brokerage Report discussed the capital spending of telecommunications companies in the United States and Canada. The capital spending, in thousands of dollars, for each of 27 telecommunications companies is shown in the following table.

9,310 2,515 3,027 1,300 656 664 5,947 649 195 8,543 1,982 21 17,341 5,299 1,006 1,403 1,800 682 4,200 125 3,634 389 70 1,433 7,886 11,189 2,205