Question: Sociology: High-school Dropouts

What percentage of the general U.S. population are high-school dropouts? The statistical Abstract of the United States, 120^th Edition, gives the percentage of high-school dropouts by state. For convenience, the data are sorted in increasing order.

5 6 7 7 7 7 8 8 8 8

8 9 9 9 9 9 9 9 10 10

10 10 10 10 10 10 11 11 11 11

11 11 11 11 12 12 12 12 13 13

13 13 13 13 14 14 14 14 14 15

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?