1.25 The article Going Wireless (AARP Bulletin, June 2009) reported the estimated percentage of households with only...
Question:
1.25 The article “Going Wireless” (AARP Bulletin, June 2009)
reported the estimated percentage 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), and East (E).
Wireless % Region State 13.9 M AL 11.7 W AK 18.9 W AZ 22.6 M AR 9.0 W CA 16.7 W CO 5.6 E CN 5.7 E DE 20.0 E DC 16.8 E FL 16.5 E GA 8.0 W HI 22.1 W ID 16.5 M IL 13.8 M IN 22.2 M IA 16.8 M KA 21.4 M KY 15.0 M LA 13.4 E ME 10.8 E MD 9.3 E MA 16.3 M MI Wireless % Region State 17.4 M MN 19.1 M MS 9.9 M MO 9.2 W MT 23.2 M NE 10.8 W NV 16.9 M ND 11.6 E NH 8.0 E NJ 21.1 W NM 11.4 E NY 16.3 E NC 14.0 E OH 23.2 M OK 17.7 W OR 10.8 E PA 7.9 E RI 20.6 E SC 6.4 M SD 20.3 M TN 20.9 M TX 25.5 W UT 10.8 E VA 5.1 E VT 16.3 W WA 11.6 E WV 15.2 M WI 11.4 W WY
a. Display the data graphically in a way that makes it possible to compare wireless percent for the three geographical 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 observations similar for the three regions?
Step by Step Answer:
Introduction To Statistics And Data Analysis
ISBN: 9781305445963
5th Edition
Authors: Roxy Peck, Chris Olsen, Jay L Devore