http://www.alsenosy.com | http://www.professionalengineers.us118.Answer:C.
PMBOK® Guide, pages 260 – 265 , Section 7. 4. 2. 1 ; and Figure 7 – 12
Earned Value Management
...
Variances from the approved baseline will also bemonitored:
Schedulevariance.Schedulevariance(SV)isameasureofscheduleperformanceexpressedasthe
differencebetweentheearnedvalueandtheplannedvalue.Itistheamountbywhichtheprojectis
aheadorbehindtheplanneddeliverydate,atagivenpointintime.Itisameasureofschedule
performanceonaproject.Itisequaltotheearnedvalue(EV)minustheplannedvalue(PV).TheEVM
schedulevarianceisausefulmetricinthatitcanindicatewhenaprojectisfallingbehindoris ahead
ofitsbaselineschedule.TheEVMschedulevariancewillultimatelyequalzerowhenthe projectis
completedbecausealloftheplannedvalueswillhavebeenearned.Schedulevarianceis bestusedin
conjunctionwithcriticalpathmethodology(CPM)schedulingandriskmanagement. Equation:SV=
EV–PV
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TheSVandCVvaluescanbeconvertedtoefficiencyindicatorstoreflectthecostandschedule
performanceofanyprojectforcomparisonagainstallotherprojectsorwithinaportfolioofprojects.
Thevariancesareusefulfordeterminingprojectstatus.
Schedule performance index. The schedule performance index (SPI) is a measure of schedule
efficiencyexpressedastheratioofearnedvaluetoplannedvalue.Itmeasureshowefficientlythe
projectteamisusingitstime.Itissometimesusedinconjunctionwiththecostperformanceindex
(CPI)toforecastthefinalprojectcompletionestimates.AnSPIvaluelessthan 1. 0 indicateslesswork
wascompletedthanwasplanned.AnSPIgreaterthan 1. 0 indicatesthatmoreworkwascompleted
thanwasplanned.BecausetheSPImeasuresallprojectwork,theperformanceonthecriticalpath
alsoneedstobeanalyzedtodeterminewhethertheprojectwillfinishaheadoforbehinditsplanned
finishdate.TheSPIisequaltotheratiooftheEVtothePV.Equation:SPI=EV/PV
...
Thethreeparametersofplannedvalue,earnedvalue,andactualcostcanbemonitoredand reported
onbothaperiod-by-periodbasis(typicallyweeklyormonthly)andonacumulativebasis. Figure 7 –
12 usesS-curvestodisplayEVdataforaprojectthatisperformingoverbudgetandbehindschedule.
119.Answer:A.
PMBOK® Guide, pages 260 – 265 , Section 7. 4. 2. 1 ; and Figure 7 – 12
EarnedValue Management
...
Variances from the approved baseline will also bemonitored:
...
Cost variance. Cost variance (CV) is the amount of budget deficit or surplus at a given point in time,
expressed as the difference between earned value and the actual cost. It is a measure ofcost