0MANAGEMENTCONSULTINGPREP©2013MConsultingPrep,Inc.1TrafficSafetyEachyear,trafficcrasheskillmorethan1.2millionpeopleandinjureupto50million.Theyaretheleadingcauseofdeathamongpeople15to29yearsoldandcosttheglobaleconomyaround$518billion.Theproblemisexpectedtogetworse.By2020,totalannualfatalitiesfromcrashesareexpectedtoapproach2million.Theseinjuriesanddeathshaveanimmeasurableimpactonthefamiliesaffected,whoselivesareoftenchangedirrevocablybythesetragedies,andonthecommunitiesinwhichthesepeoplelivedandwork.Roadtrafficinjuriesareincreasing,notablyinlow-andmiddle-incomecountries,whereratesaretwicethoseinhigh-incomecountries.Thisispartlyattributabletotherapidrateofmotorizationinmanydevelopingcountriesthathasoccurredwithoutanassociatedinvestmentinroadsafetystrategiesandlanduseplanning.Whileroadtrafficfatalityratesaredecreasinginsomehigh-incomecountries,therapidincreaseinroadtrafficcrashesinlow-andmiddle-incomecountrieshasdrivenandoverallglobalincreaseindeathsandinjuries.Thenumberofroadtrafficdeathsdecreasedin88countriesbetween2007and2010,suggestingthatprogresscanbemadewithsufficientnationalcommitment.Ifthesamecomprehensiveapproachissufficientlyappliedtotheother87countriesthatsawroaddeathincreases,thisglobalconcernwillbevastlyreduced.ThefollowingExhibit1showsthebreakdownofPopulation,Roadtrafficfatalities,andRegisteredmotorizedvehiclesbythreegroupsofcountryincomestatus:High-income,Middle-income,andLow-income.Exhibit1ComparisonofTrafficvolumeandfatalities,bycountryincomestatus21.WhichofthefollowingstatementsisaFALSEconclusionbasedontheExhibit1?A)Theroadtrafficdeathper100,000peopleishighestinMiddle-incomecountries.B)TheroadtrafficdeathsperregisteredmotorizedvehiclearehighestinMiddle-incomecountries.C)80%ofglobalroadtrafficdeathscomefrom50%ofregisteredmotorizedvehicles.D)Theroadtrafficdeathspercapitainlow-incomecountriesareapproximatelysimilartotheworldaverage.2.SupposethenumberofvehiclesandthenumberofRoadtrafficdeathsarepositivelycorrelatedinallcountries.Giventhatthenumberofreg...
