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Introduction to Analytics - D491 questions
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and answers latest top score.
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What xis xData
xanalytics?
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-The xprocess xof xencrypting xdata xto xkeep xit
xsecure
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-The xprocess xof xstoring xdata xin xa xsecure xlocation xfor xfuture
xuse
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-The xprocess xof xanalyzing xdata xto xextract
xinsights
-The xprocess xof xcollecting xdata xfrom xvarious xsources x- xcorrect xanswers.The
xprocess xof x
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analyzing xdata xto xextract xinsights. x(Data xanalytics xinvolves xanalyzing xdata xto
xextract
insights xand xinform xdecision-making. xThis xincludes xusing xvarious xtechniques xand
xtools
to xexplore, xclean, xtransform, xand xmodel xdata xand xvisualize xand xcommunicate
xfindings.)
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What xis xdata xscience? x
-A xfield xthat xinvolves xcreating xdata xvisualizations xto xprovide xinsights x
-The xprocess xof xcreating xcomputer xprograms xto xautomate xtasks x
-The xstudy xof xhow xcomputers xinteract xwith xhuman xlanguage x
-The xpractice xof xusing xstatistical xmethods xto xextract xinsights xfrom xdata x- xcorrect
xanswers.The xpractice xof xusing xstatistical xmethods xto xextract xinsights xfrom xdata.
x(Data xscience xis xa xmultidisciplinary xfield xinvolving xvarious xstatistical, xmathematical,
xand xcomputational xmethods xto xextract xmeaningful xinsights xand xknowledge xfrom
xdata.) x
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How xis xdata xscience xdifferent xfrom xdata xanalytics? x
-Data xscience xfocuses xmore xon xdata xvisualization, xwhile xdata xanalytics xfocuses xon
xdata xcleaning xand xpreprocessing. x
-Data xscience xfocuses xmore xon xtracking xexperimental xdata, xand xdata xanalytics xis
xbased xon xstatistical xmethods xand xhypotheses. x
,-Data xscience xinvolves xcreating xnew xalgorithms, xwhile xdata xanalytics xuses xexisting
xstatistical xmethods. x
-Data xscience xfocuses xon xdeveloping xnew xalgorithms xand xmodels, xwhile xdata
xanalytics xfocuses xon xusing xexisting xmodels xto xanalyze xdata. x- xcorrect xanswers.Data
xscience xfocuses xon xdeveloping xnew xalgorithms xand xmodels, xwhile xdata xanalytics
xfocuses xon xusing xexisting xmodels xto xanalyze xdata. x(Data xscience xis xmore xresearch-
based, xwhile xdata xanalytics xis xmore xfocused xon xthe xpractical xapplications xof xdata
xanalytics.) x
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Which xcomparison xdescribes xthe xdifference xbetween xdata xanalytics xand xdata
xscience? x-Data xanalytics xfocuses xon xstatistics, xand xdata xscience xmainly xfocuses xon
xqualitative xreasoning. x
-Data xscience xinvolves xanalyzing xdata xfrom xstructured xsources, xwhile xdata xanalytics
xinvolves xanalyzing xdata xfrom xunstructured xsources. x
-Data xanalytics xis xthe xprocess xof xanalyzing xdata xto xextract xinsights, xwhile xdata
xscience xinvolves xbuilding xand xtesting xmodels xto xmake xpredictions. x
-Data xanalytics xfocuses xon xdescriptive xanalysis, xwhile xdata xscience xfocuses xon
xprescriptive xanalysis. x- xcorrect xanswers.Data xanalytics xis xthe xprocess xof xanalyzing
xdata xto xextract xinsights, xwhile xdata xscience xinvolves xbuilding xand xtesting xmodels xto
xmake xpredictions. x(Data xanalytics xinvolves xusing xstatistical xand xquantitative xmethods
xto xanalyze xdata xto xextract xinsights xand xsolve xproblems, xwhile xdata xscience xinvolves
xusing xmachine xlearning xand xstatistical xmodels xto xbuild xpredictive xmodels xand xmake
xdecisions xbased xon xdata.) x
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Which xtype xof xdata xanalytics xproject xaims xto xdetermine xwhy xsomething xhappened
xin xthe xpast? x-Prescriptive x
x-Descriptive x
x-Predictive x
x-Diagnostic x- xcorrect xanswers.Descriptive x(Descriptive xanalytics xfocuses xon
xsummarizing xpast xevents xand xunderstanding xwhat xhappened.) x
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What xare xthe xdifferent xtypes xof xdata xanalytics xprojects? x
-Regression xanalysis, xtime xseries xanalysis, xtext xanalytics, xand xnetwork xanalysis x
-Data xwarehousing, xdata xmining, xdata xvisualization, xand xbusiness xintelligence x
-Descriptive, xdiagnostic, xpredictive, xand xprescriptive xanalytics x
-Data xcollection, xdata xcleaning, xdata xtransformation, xand xdata xvisualization x- xcorrect
xanswers.Descriptive, xdiagnostic, xpredictive, xand xprescriptive xanalytics x
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What xis xthe xdifference xbetween xexploratory xand xconfirmatory xdata xanalytics xprojects?
x-Exploratory xprojects xinvolve xtesting xhypotheses xand xfinding xpatterns xin xdata, xwhile
xconfirmatory xprojects xinvolve xverifying xexisting xhypotheses. x
-Exploratory xprojects xinvolve xanalyzing xdata xfrom xa xsingle xsource, xwhile xconfirmatory
xprojects xinvolve xintegrating xdata xfrom xmultiple xsources. x
-Exploratory xprojects xinvolve xanalyzing xdata xthat xis xalready xstructured, xwhile
xconfirmatory xprojects xinvolve xanalyzing xunstructured xdata. x
,-Exploratory xprojects xinvolve xanalyzing xlarge xdatasets, xwhile xconfirmatory xprojects
xinvolve xanalyzing xsmaller xdatasets. x- xcorrect xanswers.Exploratory xprojects xinvolve
xtesting xhypotheses xand xfinding xpatterns xin xdata, xwhile xconfirmatory xprojects xinvolve
xverifying xexisting xhypotheses. x(Exploratory xdata xanalytics xprojects xare xtypically xused
xwhen xlittle xis xknown xabout xthe xdata xor xwhen xresearchers xlook xfor xpatterns xor xtrends
xthat xmay xnot xhave xbeen xpreviously xidentified.) x
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Which xproject xis xconsidered xa xdata xanalytics xproject? x
-Developing xa xrecommendation xsystem xto xsuggest xnew xproducts xto xcustomers
xbased xon xtheir xpast xpurchases x
-Creating xa xdashboard xto xvisualize xsales xdata xand xmonitor xinventory xlevels xfor xa
xgrocery xstore xchain x
-Building xa xpredictive xmodel xto xforecast xstock xprices xfor xa xfinancial xservices
xcompany x-Designing xa xdatabase xschema xto xstore xcustomer xinformation xfor xa xretail
xstore x- xcorrect xanswers.Creating xa xdashboard xto xvisualize xsales xdata xand xmonitor
xinventory xlevels xfor xa xgrocery xstore xchain. x(A xdata xanalytics xproject xtypically
xinvolves xanalyzing xdata xto xidentify xtrends xand xpatterns xand xthen xusing xthis
xinformation xto xmake xdata-driven xdecisions.) x
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Why xis xquality xcontrol/assurance xcrucial xfor xdata xengineers xin xa xdata xanalytics
xproject? x
-It xensures xthat xthe xdata xis xaccurate xand xreliable. x
-It xensures xthat xthe xdata xis xanalyzed xin xa xtimely xmanner. x
-It xensures xthat xthe xdata xis xstored xin xa xsecure xlocation. x
-It xensures xthat xthe xdata xis xaccessible xto xall xstakeholders. x- xcorrect xanswers.It
xensures xthat xthe xdata xis xaccurate xand xreliable. x(Quality xcontrol xis xcrucial xfor xdata
xengineers xin xa xdata xanalytics xproject xbecause xit xensures xthat xthe xdata xused xfor
xanalysis xis xaccurate xand xreliable.) x
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What xdoes xa xdata xanalyst xdo xin xa xdata xanalytics xproject? x
-Focuses xon xbuilding xmachine xlearning xmodels x
-Conducts xexploratory xdata xanalysis xto xidentify xtrends xand xpatterns x
-Designs xand xdevelops xdatabases xand xdata xpipelines x
-Oversees xdata xgovernance xand xdata xquality xassurance x- xcorrect xanswers.Conducts
xexploratory xdata xanalysis xto xidentify xtrends xand xpatterns. x(Data xanalysts xare
xresponsible xfor xanalyzing xdata xto xidentify xtrends xand xpatterns xthat xcan xinform
xbusiness xdecisions. xThis xtypically xinvolves xconducting xexploratory xdata xanalysis,
xwhich xinvolves xvisually xexploring xand xsummarizing xdata xto xidentify xpatterns xand
xrelationships.) x
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What xis xthe xfunction xof xa xdata xscientist xin xan xorganization? x
-To xoversee xdata xgovernance xand xcompliance x
-To xwork xindependently xto xanalyze xdata xand xmake xdecisions xbased xon xtheir xfindings
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-To xconduct xstatistical xanalysis xand xmachine xlearning xmodeling x
, -To xdesign xand xmaintain xdata xvisualizations xand xdashboards x- xcorrect xanswers.To
xconduct xstatistical xanalysis xand xmachine xlearning xmodeling. x(Data xscientists xanalyze
xcomplex xdatasets xusing xstatistical xanalysis xand xmachine xlearning xtechniques. xThis
xtypically xinvolves xcleaning xand xpreprocessing xdata, xconducting xexploratory xdata x
analysis, xbuilding xand xtesting xmodels, xand xcommunicating xinsights xto
xbusiness x
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stakeholders.)
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What xis xthe xrole xof xa xbusiness xintelligence xanalyst? x
-Designing xand xmaintaining xdata xvisualizations xand xdashboards x
-Conducting xstatistical xanalysis xand xmachine xlearning xmodeling x
-Developing xand ximplementing xdata xprocessing xpipelines x
-Overseeing xdata xgovernance xand xcompliance x- xcorrect xanswers.Designing xand
xmaintaining xdata xvisualizations xand xdashboards. x(Business xintelligence xanalysts xare
xresponsible xfor xdesigning xand xmaintaining xdata xvisualizations xand xdashboards xto
xcommunicate xbusiness xinsights xto xstakeholders.) x
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What xis xa xprimary xresponsibility xof xa xdata xengineer? x
-Designing xand xdeveloping xdata xvisualizations xfor xstakeholders x
-Designing xand ximplementing xdata xstorage xsolutions x
-Analyzing xand xinterpreting xdata xto xinform xbusiness xdecisions x
-Developing xpredictive xmodels xusing xmachine xlearning xalgorithms x- xcorrect
xanswers.Designing xand ximplementing xdata xstorage xsolutions. x(Data xengineers xare
xresponsible xfor xdesigning xand ximplementing xdata xstorage xsolutions xthat xenable
xefficient xand xeffective xprocessing, xstorage, xand xretrieval.) x
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What xis xa xprimary xresponsibility xof xa xmachine xlearning xengineer? x
-Developing xpredictive xmodels xusing xmachine xlearning xalgorithms x
-Analyzing xand xinterpreting xdata xto xinform xbusiness xdecisions x
-Designing xand ximplementing xdata xstorage xsolutions x
-Designing xand xdeveloping xdata xvisualizations xfor xstakeholders x- xcorrect
xanswers.Developing xpredictive xmodels xusing xmachine xlearning xalgorithms. x(Machine
xlearning xengineers xare xresponsible xfor xdeveloping xpredictive xmodels xusing xmachine
xlearning xalgorithms xthat xcan xbe xused xto xmake xpredictions xor xinform xbusiness
xdecisions.) x
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What xis xthe xrole xand xfunction xof xa xdecision xscientist xwithin xan xorganization? x
-To xmanage xthe xcompany's xfinances xand xensure xprofitability x
-To xdevelop xmarketing xstrategies xand xincrease xsales xrevenue x
-To xanalyze xdata xand xprovide xinsights xto xsupport xinformed xdecision-making x-To
xoversee xthe xcompany's xhuman xresources xand xensure xemployee xsatisfaction x-
xcorrect xanswers.To xanalyze xdata xand xprovide xinsights xto xsupport xinformed
xdecisionmaking. x(Decision xscientists xuse xdata xanalysis xand xstatistical xmethods
xto xidentify xpatterns, xtrends, xand xrelationships xin xdata.) x
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What xis xa xprimary xresponsibility xof xa xdata xanalyst? x