Thirteen internists in the Midwest are randomly selected, and each internist is asked to report last year’s income. The incomes obtained (in thousands of dollars) are 152, 144, 162, 154, 146, 241, 127, 141, 171, 177, 138, 132, 192. Find:

a. The 90th percentile.

b. The median.

c. The first quartile.

d. The third quartile.

e. The 10th percentile.

f. The interquartile range.

g. Develop a graphical display of a five- number summary and a box- and- whiskers display.