Wgu C207 Data-Driven Decision Making Objective Assessment Detailed Questions And Answers

WGU C207 DATA-DRIVEN DECISION MAKING
OBJECTIVE ASSESSMENT DETAILED QUESTIONS
AND ANSWERS

1. Analyticsisa broadtermthatreferstoavarietyoftoolsthat informman- agerial
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decisions.
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Which term can be used to describe managerial decisions?
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a. Prescriptive
b. Predictive
c. Paretochart ,
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d. Biased ANS:a .1, ,
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2. Whataretworeasonsfortheincreasinguseofanalyticsinorganizational
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decision making?
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a. Relativelylower cost of computer storage .1, .1, .1 , .1 , .1 ,




b. Loweravailabilityofstatisticalexperts
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c. Higher cost of obtaining data .1, .1, .1, .1,




d. Highercomputer processing power ANS:a, d .1, .1 , .1 , .1, ,
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3. Inwhatwaydoesprobabilitytheoryinformdecision-makingformanagers?
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a. By quantifying risk
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b. By quantifying data
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c. By quantifying quality
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,d. By quantifying costs ANS:a
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4. WhichtypeofdataaretheOlympicmedalsofgold,silver,andbronze
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examples of?
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a. Nominal data .1,




b. Ordinaldata .1,




c. Intervaldata .1,




d. Ratio data ANS:b .1, .1, ,
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5. What are two aspects of data quality management?
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a. It calculates spurious data.
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b. It reduces the amount of incomplete data.
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c. It monitors data input rates.
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d. Itcleansdata. ANS:b,d
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6. Whichtwoattributesindicatepotentialdataqualityissueswhenevaluating a set
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of nominal data?
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a. Outlier data .1,




b. Missing data .1,




c. Out-of-range data .1,




d. Misspelleddata ANS:b,d .1, .1, ,
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7. Whenconductinga study that measuresanindividual's weight,allscales are
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calibrated prior to use in measurement.Which type of error should this
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, proceduresignificantlyreduce? .1, .1,




a. Systematic error .1,




b. Omission error .1,




c. Random error .1,




d. Informationerror ANS:a .1, .1, ,
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8. Anadvertising managercreates a researchstudy by presentinglow,medi- um,
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orhigh frequencyofthe same adin matchedmarkets.The managerthen reports
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on sales in each market location.What is the term for the different sales in this
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study?
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a. The experimental unit .1, .1 ,




b. The treatment .1,




c. The response variable .1, .1,




d. The intervention ANS:c .1, .1, ,
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9. A healthcare study follows a particular sample over time to identify how the
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health habits of teenagers impact their likelihood of acquiring various diseases
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later in their life in the hope that the healthcare organization will be abletocreate
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earlypreventionprograms.Whichtypeofresearchdesigndoes this study
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describe?
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a. Doubleblind study .1, .1,




b. Systematic study .1,




c. Cohort study .1 ,




d. Experimentalstudy ANS:c .1, .1, ,
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10. Severalmissingvaluesinaparticularfieldinadatasetwereobserved.The ,
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likelihoodofarecordhavingamissingvalueiscorrelatedtoanothervariable in the
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dataset.Which two types of error might be introduced into the dataset if the
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removed record included missing values?
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