http://digfir-published.macmillanusa.com/nolanessentials3e/nolanessentials3e_app2_1.html
17.1 STATISTICAL TABLES
53df89b5757a2e1f50000006
http://digfir-published.macmillanusa.com/nolanessentials3e/nolanessentials3e_app2_1_dlap.xmlDLAP questions53df89b5757a2e1f50000006