2024 WGU C207 Data Driven Decision Making Practice Exam With Answers (84 Solved Questions)

Preview (6 of 17 Pages)

100%

2024 WGU C207 Data Driven Decision Making Practice Exam With Answers (84 Solved Questions) - Page 1 preview image

Loading page ...

(Quiz1)1.Forcompaniestoattractandretaintheirbestcustomerstheyneedacomplete portrait of who they are. To develop this portrait companies turn to...A)StatisticsB)AnalyticsC)ManagementScienceD)HistogramsB(Quiz 1) 2. A manufacturer wants to maximize their factory output while specificallyminimizinglaborcosts.Whattypeofanalyticsmighttheyemploytoachievethisgoal?A)DescriptiveAnalyticsB)PredictiveAnalyticsC)PrescriptiveAnalyticsD)DiagnosticAnalyticsC(Quiz1)3.Whattypeofdataerrorthatoccursinmeasurementisconstantwithinadata set and is sometimes caused by faulty equipment or bias?A)RandomB)OmissionC)OutlierD)SystematicD(Quiz 1) 4. An Educatordevelops a new standardized test to measure math skills ofninthgraders.Shehasstudentsinherhomestateof Ohiotakethetest.Ifthetestistobe used on a national level, what type of error might be found in her data?A)OmissionErrorB)SystematicErrorC)MeasurementBiasD)InformationBiasC(Quiz 1) 5. A city government is trying to determine the national origins of its recentimmigrantpopulation.IfasurveyoftheimmigrantpopulationisconductedinEnglishwhat type of error might be present inthe data?A)RandomB)OmissionC)OutlierD)AccuracyWGUC207DataDrivenDecisionMakingUPDATED 2024 | RATED A+

2024 WGU C207 Data Driven Decision Making Practice Exam With Answers (84 Solved Questions) - Page 2 preview image

Loading page ...

2024 WGU C207 Data Driven Decision Making Practice Exam With Answers (84 Solved Questions) - Page 3 preview image

Loading page ...

B(Quiz1)6.TheuseofBigDataisincreasinglyimportanttobusinessesincompetitivemarkets. Which of the following characteristics is NOT true of big data?A)RequirestheuseofanalyticsB)ContainsstructureddataC)ContainsunstructureddataD)CanbeanalyzedwithtraditionalspreadsheetsD(Quiz 1) 7. The Davenport-Kim three-stage model consists of framing the problem,solvingtheproblem,andcommunicatingresults.Which twoofthefollowingarepartofframing the problem stage?A)DeterminethescopeoftheproblemB)DatacollectionC)Reviewof previousfindingsD)PresentingarecommendationA & C(Quiz 1) 8. A healthcare provider is researching blood glucose levels before and afterexercising.Whattwoelementsshouldbepartof anyexperimentalstudysuchasthis?A)TreatmentproceduresB)PatientobservationC)StatisticalvalidityD)ExperimentalresponseA & D(Quiz1)9.Runnerscover26.2milesintheOlympicsmarathon.Whatlevelofmeasurement is this?A)NominalB)OrdinalC)IntervalD)RatioD(Quiz1)10.Whatlevelofmeasurementisthetypeof carsproducedinFordfactory?A)NominalB)OrdinalC)IntervalD)RatioA(Quiz1)11.Whatlevelofmeasurementisthisthe10bestcitiesintheU.S.toretirein?A)NominalB)OrdinalC)IntervalD)RatioB

2024 WGU C207 Data Driven Decision Making Practice Exam With Answers (84 Solved Questions) - Page 4 preview image

Loading page ...

(Quiz1)12.Whatlevelofmeasurementarewomen'sdresssizes(2,4,6,etc.)?A)NominalB)OrdinalC)IntervalD)RatioC(Quiz1)13.Alocalschoolboardisstudyingtheimpactofaproposedchangeintestingon math scores. Bias can beintroduced into the study by both students and teachers.Whichresearchtechniquewouldeliminatethistypeofbias?A)ObservationstudyB)BlindstudyC)CohortstudyD)DoubleblindstudyD(Quiz1)14.ACompany'sproductdevelopmentteamtest3newcarwaxesbywaxing5cars with each wax and then running them through a car wash. They then recordnumberofwashesittakesbeforethewaxbeginstodeteriorate.Whatisthetermforthefive cars?A)TheresponseB)TheconstructvalidityC)TheexperimentalunitD)ThetreatmentC(Quiz2)1.AnonlineretailersellingworkoutapparelhasalargeincreaseinsalesduringDecember and declares that their weekly newspaper ad resulted in higher sales. Whatmisuse of statistics may the retailer have used in making thisdecision?A)ConsciousBiasB)MissingDataC)AssociationandCausationD)SmallSampleSizeC(Quiz2)2.Aneducatorcollectseighth grademathscoresfrom a localschoolandusedthisdatatorecommendcurriculumchangesforgrades8-12.Whatmisuseofstatisticsmay the educator have used in making this recommendation?A)NotarepresentativesampleB)ConsciousBiasC)LackofBindingD)MissingDataA(Quiz 2) 3. An economist wishes to study the distribution of household income in aMidwesterncity.Herandomlyselectsasamplefrom12households.Henoticestwo

2024 WGU C207 Data Driven Decision Making Practice Exam With Answers (84 Solved Questions) - Page 5 preview image

Loading page ...

largeincomesinhissample.Whichmeasurebestrepresentsthemiddleoftheincomes?A)ModeB)MedianC)VarianceD)MeanB(Quiz2)4.Acablecompanyoffersitscustomersbothcable televisionandinternet.Whatstatistical rule shouldbe usedto determine the probabilitythatcustomers willhave both cable television and internet?A)MultiplicationB)BayesTheoremC)CombinationD)AdditionA(Quiz 2) 5. A department store is considering a new credit policyto reduce defaults onpayments. Its records show that 95% of defaults have at least 2 late payments. Also,3%ofallcustomersdefaultand30%ofthosecustomerswhohavenotdefaultedhavealeast 2 late payments. What statistical rule should be used tofind the probability that acustomer will default given that at least 2 payments were late?A)CentralLimitTheoremB)MultiplicationRuleC)BayesTheoremD)CombinationRuleC(Quiz2) 6. Based on qualitychecks atplasticbags manufacturer,the breakingstrengthof their bags has a mean of 50.5 and a standard deviation of 1.6. A customer's test ofthebagsfindsbagstrengthof54.2orless.Whichstatisticalmeasureshouldbeusedtohelp determine the probability of the customer's test occurring?A)t-testB)z-scoreC)p-valueD)R-SquareB(Quiz 2) 7. The mean of 100 bank customers' waiting times for teller service is 5.8minuteswithastandarddeviationof1.5.Whattimerangewouldrepresenta95.4%probability customer waiting time?A)4.3to7.3B)2.8to8.8C)1.3 to13.0D)3.8 to7.5

2024 WGU C207 Data Driven Decision Making Practice Exam With Answers (84 Solved Questions) - Page 6 preview image

Loading page ...

B(Quiz 2) 8. The revenue of NBA teams ranges from $226 million for the New YorkKnicksto$92millionfortheMilwaukeeBucks.Whichstatisticwouldmeasurehowfareach NBA team's revenue is from the NBA revenue mean?A)Z-scoreB)ModeC)MedianD)VarianceD(Quiz 2) 9. A local plumbing company is analyzing to see how the number weeks takenfortheirpaymentreceiptsisdistributed.Whichgraphicalanalysistechniqueshouldtheyuse?A)ScatterplotB)PieChartC)HistogramD)BoxPlotC(Quiz2)10.Giventhefollowingdataset:60,41,30,15,34,30WhatistheMedian?A)32B)30C)34D)35A(Quiz2) 11. A loanofficer comparestheinterest ratesfor48monthfixed-rate loansand48monthvariable-rateautoloans.Twoindependent,randomsamplesofautoloansareselected.Which two results happen when the null hypothesis is rejected using a t-test?(Pick 2)A)TheteststatisticislessthanthecriticalvalueB)Thenullhypothesisisrejectedgivenaprobabilityof beingwrongC)TheteststatisticisgreaterthanthecriticalvalueD)Thenullhypothesisisacceptedgivenaprobabilityof beingcorrect.B &C(Quiz 2) 12. An online marketing organization designed a social media that wants toearnatleast$250,000inrevenue.Thecampaign willreach10,000viewersandreceiveorders with a mean of $50 and standard deviation of $10. Which measure should beused to determine the probability of the campaign receiving at least $250,000?A)T-statisticB)Z-scoreC)MedianD)R-squaredB

Preview Mode

This document has 17 pages. Sign in to access the full document!

Report

Study Now!

Document Details

Related Documents

2023-2024 WGU D236 Pathophysiology Practice Exam with Answers (170 Solved Questions)

2023 WGU D080 Practice Exam with Answers (161 Solved Questions)

WGU Education Practice Exam With Answers (243 Solved Questions)

2024 WGUC233 Law Practice Exam With Answers (179 Solved Questions)

WGU Management Practice Exam With Answers (130 Solved Questions)

WGU D174 Marketing Practice Exam With Answers (36 Solved Questions)

2023 WGUD094 Education Practice Exam With Answers (156 Solved Questions)

2022-2024 WGU C182 Computer Science Real Exam With Answers (70 Solved Questions)

WGU C429 Health Care Assessment Practice Exam With Answers (115 Solved Questions)

2024 WGU D236 Pathophysiology Practice Exam With Answers (134 Solved Questions)

Company

Explore

Study Tools