10. Sociology: High School Dropouts What percentage of the general US. 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. 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 ll 11 ll 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 nd the interquartile range. (b) Wyoming has a dropout rate of about 7%. Into what quartile does this rate fall? 11. Auto Insurance: Interpret Graphs Consumer Reports rated automobile insurance companies and listed annual premiums for top-rated companies in several states. Figure 3-9 shows box-and-whisker plots for annual pre- miums for urban customers (married couple with one 17-year-old son) in three states. The box-and-whisker plots in Figure 3-9 were all drawn using the same scale on a 11-84Plus/TI-83Plust'I-nspire calculator. Pennsylvania hill California FIGURE 3.92\" insurance Premium (annual. urban) I emu-mpg. (it) Which state has the lowest premium? the highest? (b) Which state has the highest median premium? (c) Which state has the smallest range of premiums? the smallest interquar tile range