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PMP Formulas to Memorize

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runigoku's version from 2017-03-18 11:32

Cost Management

Question Answer
Planned Value PVFV/(1+i)^n
Cost Variance CVEV - AC; (-)=overbudget (+)=within budget
Schedule Variance SVEV - PV; (-) = behind schedule, (+) = on schedule
Cost Performance Index CPIEV/AC; <1 over budget, >1=under budget
Schedule Performance Index SPIEV/PV; <1 behind, >1 ahead, =1 on schedule
memorize

Earned Value Management

Question Answer
Estimate At Completion (variances ATYPICAL) EACAC + (BAC - EV)
Estimate At Completion (TYPICAL) (assume same rate of spending to continue)
EAC=
BAC/CPI
Estimate At Completion (Bottom Up) (most accurate, time consuming)AC + ETC
Estimate At Completion (Hard Date/Worst/Continue)
(Assume current cost/sched. perf. to continue - what will it cost me to make this date)
AC + [(BAC-EV)/(CPI * SPI)]
Estimate To Completion (Expected cost of work remaining) ETCEAC - AC
Variance At Completion
(-) Over Budget, (+) Under Budget
VAC=
BAC - EAC
To Complete Performance Index (Original Budget Attainable)(Cost Performance rate needed to complete within budget)
TCPI
(BAC-EV)/(BAC-AC)
To Complete Performance Index (Original Budget NOT Attainable) (Assumes original budget cannot be achieved)TCPI(BAC - EV)/(EAC-AC)
memorize

Other PMP Formulas

Question Answer
Expected Monetary Value EMVProbability x Impact
Point of Total Assumption = seller pays for cost overruns PTA[(Ceiling Price - Target Price)/BSratio] + Target Cost
Communication Channelsn(n-1)/2
6 Sigma99.99985% (3.4 defects per million)
3 Sigma99.73%
2 Sigma95.46%
1 Sigma68.25%
Triangular Distribution(O + M + P )/3
PERT(O + 4M + P)/ 6
Activity Standard Deviation(P-O)/6
Activity Variance [(P-O)/6]^2
Critical PathLongest Path Duration
Early Finish EFES + Duration -1
Late Start LSLF - Duration +1
Float (slack)LF - EF
ROM-25% to +75%
Definitive Estimate-5% to +10%
memorize

Contract Types

Question Answer
FFP
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