WGU C207 DATA-DRIVEN DECISION MAKING
OBJECTIVE ASSESSMENT DETAILED QUESTIONS
AND ANSWERS
1. Analyticsisabroadtermthatreferstoavarietyoftoolsthatinformman-agerial
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
‘decisions.
Whichtermcanbe usedtodescribe managerialdecisions?
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
a. Prescriptive
b. Predictive
c. Paretochart ‘
d. Biased ANS:a ‘ ‘
2. Whataretworeasonsfortheincreasinguseofanalyticsinorganizational
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
decisionmaking?
‘ ‘
a. Relativelylowercostof computerstorage ‘ ‘ ‘ ‘ ‘
b. Loweravailabilityofstatisticalexperts
‘ ‘ ‘ ‘
c. Highercost of obtaining data ‘ ‘ ‘ ‘
d. Highercomputerprocessingpower ANS:a,d‘ ‘ ‘ ‘ ‘ ‘
3. Inwhatwaydoesprobabilitytheoryinformdecision-makingformanagers?
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
a. By quantifyingrisk
‘ ‘
b. By quantifyingdata
‘ ‘
c. By quantifyingquality
‘ ‘
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‘ ‘
,d. By quantifyingcosts ANS:a
‘ ‘ ‘ ‘
4. WhichtypeofdataaretheOlympicmedalsofgold,silver,andbronze
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
examples of?
‘ ‘
a. Nominaldata ‘
b. Ordinaldata ‘
c. Intervaldata ‘
d. Ratiodata ANS:b ‘ ‘ ‘
5. Whatare twoaspects of dataquality management?
‘ ‘ ‘ ‘ ‘ ‘ ‘
a. It calculates spurious data.
‘ ‘ ‘
b. It reduces the amount of incomplete data.
‘ ‘ ‘ ‘ ‘ ‘
c. Itmonitors data inputrates.
‘ ‘ ‘ ‘
d. Itcleansdata.ANS:b,d
‘ ‘ ‘ ‘ ‘
6. Whichtwoattributesindicatepotentialdataqualityissueswhenevaluatinga set
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
ofnominaldata?
‘ ‘ ‘
a. Outlierdata ‘
b. Missing data ‘
c. Out-of-range data ‘
d. Misspelleddata ANS:b,d ‘ ‘ ‘ ‘
7. Whenconductingastudythatmeasuresanindividual'sweight,allscales are
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
calibrated priortouse in measurement.Whichtype oferrorshouldthis
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
2/28
‘ ‘
, proceduresignificantlyreduce? ‘ ‘
a. Systematic error ‘
b. Omissionerror ‘
c. Randomerror ‘
d. InformationerrorANS:a ‘ ‘ ‘
8. Anadvertisingmanagercreatesaresearchstudybypresentinglow,medi-um,
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
orhighfrequencyofthesameadinmatchedmarkets.Themanagerthenreports on
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
sales ineachmarket location.What is the termforthe different sales inthis study?
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
a. Theexperimentalunit ‘ ‘
b. The treatment ‘
c. The response variable ‘ ‘
d. The intervention ANS:c ‘ ‘ ‘
9. Ahealthcare study follows a particularsample overtime toidentify howthe
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
health habits of teenagers impact theirlikelihood ofacquiringvarious diseases
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
laterintheirlife inthe hope that the healthcare organization will be abletocreate
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
earlypreventionprograms.Whichtypeofresearchdesigndoes this study
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
describe?
‘
a. Doubleblindstudy ‘ ‘
b. Systematic study ‘
c. Cohort study ‘
d. Experimentalstudy ANS:c ‘ ‘ ‘
10. Severalmissingvaluesinaparticularfieldinadatasetwereobserved.The ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
likelihoodofarecordhavingamissingvalueiscorrelatedtoanothervariable inthe
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
dataset.Whichtwotypes of errormight be introduced intothe dataset ifthe
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
removed recordincludedmissingvalues?
‘ ‘ ‘ ‘ ‘
a. Systematic error ‘
3/28
‘ ‘
OBJECTIVE ASSESSMENT DETAILED QUESTIONS
AND ANSWERS
1. Analyticsisabroadtermthatreferstoavarietyoftoolsthatinformman-agerial
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
‘decisions.
Whichtermcanbe usedtodescribe managerialdecisions?
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
a. Prescriptive
b. Predictive
c. Paretochart ‘
d. Biased ANS:a ‘ ‘
2. Whataretworeasonsfortheincreasinguseofanalyticsinorganizational
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
decisionmaking?
‘ ‘
a. Relativelylowercostof computerstorage ‘ ‘ ‘ ‘ ‘
b. Loweravailabilityofstatisticalexperts
‘ ‘ ‘ ‘
c. Highercost of obtaining data ‘ ‘ ‘ ‘
d. Highercomputerprocessingpower ANS:a,d‘ ‘ ‘ ‘ ‘ ‘
3. Inwhatwaydoesprobabilitytheoryinformdecision-makingformanagers?
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
a. By quantifyingrisk
‘ ‘
b. By quantifyingdata
‘ ‘
c. By quantifyingquality
‘ ‘
1/28
‘ ‘
,d. By quantifyingcosts ANS:a
‘ ‘ ‘ ‘
4. WhichtypeofdataaretheOlympicmedalsofgold,silver,andbronze
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
examples of?
‘ ‘
a. Nominaldata ‘
b. Ordinaldata ‘
c. Intervaldata ‘
d. Ratiodata ANS:b ‘ ‘ ‘
5. Whatare twoaspects of dataquality management?
‘ ‘ ‘ ‘ ‘ ‘ ‘
a. It calculates spurious data.
‘ ‘ ‘
b. It reduces the amount of incomplete data.
‘ ‘ ‘ ‘ ‘ ‘
c. Itmonitors data inputrates.
‘ ‘ ‘ ‘
d. Itcleansdata.ANS:b,d
‘ ‘ ‘ ‘ ‘
6. Whichtwoattributesindicatepotentialdataqualityissueswhenevaluatinga set
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
ofnominaldata?
‘ ‘ ‘
a. Outlierdata ‘
b. Missing data ‘
c. Out-of-range data ‘
d. Misspelleddata ANS:b,d ‘ ‘ ‘ ‘
7. Whenconductingastudythatmeasuresanindividual'sweight,allscales are
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
calibrated priortouse in measurement.Whichtype oferrorshouldthis
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
2/28
‘ ‘
, proceduresignificantlyreduce? ‘ ‘
a. Systematic error ‘
b. Omissionerror ‘
c. Randomerror ‘
d. InformationerrorANS:a ‘ ‘ ‘
8. Anadvertisingmanagercreatesaresearchstudybypresentinglow,medi-um,
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
orhighfrequencyofthesameadinmatchedmarkets.Themanagerthenreports on
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
sales ineachmarket location.What is the termforthe different sales inthis study?
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
a. Theexperimentalunit ‘ ‘
b. The treatment ‘
c. The response variable ‘ ‘
d. The intervention ANS:c ‘ ‘ ‘
9. Ahealthcare study follows a particularsample overtime toidentify howthe
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
health habits of teenagers impact theirlikelihood ofacquiringvarious diseases
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
laterintheirlife inthe hope that the healthcare organization will be abletocreate
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
earlypreventionprograms.Whichtypeofresearchdesigndoes this study
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
describe?
‘
a. Doubleblindstudy ‘ ‘
b. Systematic study ‘
c. Cohort study ‘
d. Experimentalstudy ANS:c ‘ ‘ ‘
10. Severalmissingvaluesinaparticularfieldinadatasetwereobserved.The ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
likelihoodofarecordhavingamissingvalueiscorrelatedtoanothervariable inthe
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
dataset.Whichtwotypes of errormight be introduced intothe dataset ifthe
‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘
removed recordincludedmissingvalues?
‘ ‘ ‘ ‘ ‘
a. Systematic error ‘
3/28
‘ ‘
