Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase

Exercise 88

Sociology: High School Dropouts What percentage of the general U.S. population are high school dropouts The Statistical Abstract of the United States, 120th Edition, gives the percentage of high school dropouts by state. For convenience, the data are sorted in increasing order.

(a) Make a box-and-whisker plot and find the interquartile range.
(b) Wyoming has a dropout rate of about 7%. Into what quartile does this rate fall