IASSC LSSGB Exam Questions with
100% Correct Answers | Verified | Latest
Update
Ifitheichanceithatianyioneiofifiveitelephoneilinesiisibusyiatianyiinstantiisi0
.01,itheniwhatiisitheiprobabilityithatiallitheilinesiareibusy?
A.i(0.01)^4
B.i(0.01)^5
C.i(0.01)^6
D.i(0.01)^10i-iCorrectiAnswer-B.i(0.01)^5
Ni=i5,ipi=i0.01,ixi=i5iApplyiStandardiformulaiforiBinomialiDistribution.iTh
us,ioptionibiisitheicorrectianswer.
Whoishouldicompleteitheicontroliphaseiafteritheisuccessfulicompletioni
andiimplementationiofitheifirstifouriphasesiofiDMAIC?
A.iTheigreenibeltialone;itheiprojectihasibeenisuccessfullyicompleted.
,B.iTheiprocessiownerialone;iitiisihisiresponsibilityitoitakeitheiprojectifro
mihere.
C.iTheiprocessiownerianditheiGreeniBeltitogetherishouldicompleteitheic
ontroliphase.
D.iTheicompleteiteamiisitheimostidesirableioption.i-iCorrectiAnswer-
D.iTheicompleteiteamiisitheimostidesirableioption.
Theicontroliphaseishouldibeicompletedibyitheientireiteam.iControliisinot
ianiinsignificantiphaseiofitheiDMAICiprocess.iTheigreenibeltioritheiproce
ssiownerialoneimayinotihaveitheiabilityiandiknowledgeitoistructureitheil
asticontrolistep.iSoioptionidiisicorrect.
Toiincreaseitheipoweriofitheiexperiments,iwhatiisitheibestichoiceiinithei
handsiofiaiSixiSigmaiteam?
A.iIncreaseiSampleiSize
B.iReduceiSampleiSize
C.iReduceiSignificanceilevel
D.iAlliofitheiabovei-iCorrectiAnswer-A.iIncreaseiSampleiSizei
,Optionsibiandiciareinotiseriousiconsiderations,iandithusioptionidicanibeir
ulediout.iConceptually,iincreaseiinisampleisizeiincreasesitheipossibleiacc
uracyiofitheiexperiment,iandithusianiincreaseiinipower.iSo,ioptioniaiisith
eicorrectianswer.
Hypothesisitestingiisiusuallyidoneito:
A.iStatisticallyivalidateiifiaisampleimeanibelongsitoitheipopulation
B.iStatisticallyivalidateiifimeansiofitwoigroupsiareitheisameioriifitheyiarei
significantlyidifferent
C.iStatisticallyivalidateiifivariancesiofitwoigroupsiareitheisameioriifitheyia
reidifferent.
D.iAlliofitheiabovei-iCorrectiAnswer-D.iAlliofitheiabove
Statisticallyivalidateiifiaisampleimeanidoesibelongitoitheipopulation,ifin
diifimeansiofitwoigroupsiareitheisameioriifitheyiareisignificantlyidifferent
,iandivalidateiifivariancesiofitwoigroupsiareitheisameioriifitheyiareidiffere
nt.iOptionidiisitheicorrectianswer.
WhatiisitheiconceptibehindiPDCA?
, A.iTheiDeming/Shewharticycle
B.iProcessiflow
C.iContinuousiimprovement
D.iSatisfyingisuppliersi-iCorrectiAnswer-C.iContinuousiImprovement
Theikeyiquestioniphraseiisi"conceptibehind."iOptionibiisiinappropriateia
ndidoesinotifititheiquestion.iOptioniaiwouldibeicorrectiifitheiquestionire
questedianotherinameiforiPDCA.iAnswerioptionidicouldibeioneiofitheinu
mberiofipotentialipositiveioutcomesiofithisiactivity.iHowever,itheiconce
ptibehindiandiobjectiveiofiPDCAiisithatioficontinuousiimprovement.
Whatiareitheisixiexperimentsicallediwhileiperformingioneiexperimentiw
ithifiveirepetitions?
A.iRandomization
B.iReplications
C.iPlannedigrouping
D.iSequentiali-iCorrectiAnswer-B.iReplications
Repeateditrialsiorireplicationsiareiofteniconducteditoiestimateitheipurei
trial-to-
trialiexperimentalierrorisoithatilackiofifitimayibeievaluated.iRandomizati
100% Correct Answers | Verified | Latest
Update
Ifitheichanceithatianyioneiofifiveitelephoneilinesiisibusyiatianyiinstantiisi0
.01,itheniwhatiisitheiprobabilityithatiallitheilinesiareibusy?
A.i(0.01)^4
B.i(0.01)^5
C.i(0.01)^6
D.i(0.01)^10i-iCorrectiAnswer-B.i(0.01)^5
Ni=i5,ipi=i0.01,ixi=i5iApplyiStandardiformulaiforiBinomialiDistribution.iTh
us,ioptionibiisitheicorrectianswer.
Whoishouldicompleteitheicontroliphaseiafteritheisuccessfulicompletioni
andiimplementationiofitheifirstifouriphasesiofiDMAIC?
A.iTheigreenibeltialone;itheiprojectihasibeenisuccessfullyicompleted.
,B.iTheiprocessiownerialone;iitiisihisiresponsibilityitoitakeitheiprojectifro
mihere.
C.iTheiprocessiownerianditheiGreeniBeltitogetherishouldicompleteitheic
ontroliphase.
D.iTheicompleteiteamiisitheimostidesirableioption.i-iCorrectiAnswer-
D.iTheicompleteiteamiisitheimostidesirableioption.
Theicontroliphaseishouldibeicompletedibyitheientireiteam.iControliisinot
ianiinsignificantiphaseiofitheiDMAICiprocess.iTheigreenibeltioritheiproce
ssiownerialoneimayinotihaveitheiabilityiandiknowledgeitoistructureitheil
asticontrolistep.iSoioptionidiisicorrect.
Toiincreaseitheipoweriofitheiexperiments,iwhatiisitheibestichoiceiinithei
handsiofiaiSixiSigmaiteam?
A.iIncreaseiSampleiSize
B.iReduceiSampleiSize
C.iReduceiSignificanceilevel
D.iAlliofitheiabovei-iCorrectiAnswer-A.iIncreaseiSampleiSizei
,Optionsibiandiciareinotiseriousiconsiderations,iandithusioptionidicanibeir
ulediout.iConceptually,iincreaseiinisampleisizeiincreasesitheipossibleiacc
uracyiofitheiexperiment,iandithusianiincreaseiinipower.iSo,ioptioniaiisith
eicorrectianswer.
Hypothesisitestingiisiusuallyidoneito:
A.iStatisticallyivalidateiifiaisampleimeanibelongsitoitheipopulation
B.iStatisticallyivalidateiifimeansiofitwoigroupsiareitheisameioriifitheyiarei
significantlyidifferent
C.iStatisticallyivalidateiifivariancesiofitwoigroupsiareitheisameioriifitheyia
reidifferent.
D.iAlliofitheiabovei-iCorrectiAnswer-D.iAlliofitheiabove
Statisticallyivalidateiifiaisampleimeanidoesibelongitoitheipopulation,ifin
diifimeansiofitwoigroupsiareitheisameioriifitheyiareisignificantlyidifferent
,iandivalidateiifivariancesiofitwoigroupsiareitheisameioriifitheyiareidiffere
nt.iOptionidiisitheicorrectianswer.
WhatiisitheiconceptibehindiPDCA?
, A.iTheiDeming/Shewharticycle
B.iProcessiflow
C.iContinuousiimprovement
D.iSatisfyingisuppliersi-iCorrectiAnswer-C.iContinuousiImprovement
Theikeyiquestioniphraseiisi"conceptibehind."iOptionibiisiinappropriateia
ndidoesinotifititheiquestion.iOptioniaiwouldibeicorrectiifitheiquestionire
questedianotherinameiforiPDCA.iAnswerioptionidicouldibeioneiofitheinu
mberiofipotentialipositiveioutcomesiofithisiactivity.iHowever,itheiconce
ptibehindiandiobjectiveiofiPDCAiisithatioficontinuousiimprovement.
Whatiareitheisixiexperimentsicallediwhileiperformingioneiexperimentiw
ithifiveirepetitions?
A.iRandomization
B.iReplications
C.iPlannedigrouping
D.iSequentiali-iCorrectiAnswer-B.iReplications
Repeateditrialsiorireplicationsiareiofteniconducteditoiestimateitheipurei
trial-to-
trialiexperimentalierrorisoithatilackiofifitimayibeievaluated.iRandomizati
