The article Going Wireless (AARP Bulletin, June 2009) reported the estimated percentages of households with only wireless

The article €œGoing Wireless€ (AARP Bulletin, June 2009) reported the estimated percentages of households with only wireless phone service (no landline) for the 50 states and the District of Columbia. In the accompanying data table, each state was also classified into one of three geographical regions€” West (W), Middle states (M), or East (E).

a. Display the data in a comparative dotplot that makes it possible to compare wireless percent for the three geo-graphical regions.
b. Does the graphical display in Part (a) reveal any striking differences in wireless percent for the three geographical regions or are the distributions of wireless percent similar for the three regions?

Transcribed Image Text:

wireless % Region state wireless % Region state 13.9 11.7 18.9 22.6 W MT W AK 23.2 M NE NV M AR 6.9 M ND NH M AL W AZ 0.8 W E 11.6 8.0 16.7 W CO E CN 2 W NM E DE 114 E NY E NC E OH M OK W OR 20,0 16.8 E DC 16.3 E FL 14.0 E GA 23.2 17.7 22.1 16.5 13,8 ID 10.8 E PA M IL MÍN 20,6 M IA 7.9 SC M SID M TN M TX W UT M KA 20.3 M KY 20.9 M LA 25.5 E ME 10.8 E VA E MD E MA 63 W WA M MI M MN 15.2 M MS 1.4 M MO 16.8 15.0 13.4 10.8 9.3 16.3 174 19.1 E VT E WV M WI 11.6