PMP FORMULAS Flashcards
PERT
(P+4M+O)/6
STANDARD DEVIATION
(P-O)/6
VARIANCE
[(P-O)/6]SQUARED
FLOAT OR SLACK
LS (LATE START)-ES (EARLY START) AND LF (LATE FINISH)- EF (EARLY FINISH)
CV (COST VARIANCE) FORMULA
EV (EARNED VALUE)-AC (ACTUAL COST)
SV (SCHEDULE VARIANCE) FORMULA
EV (EARNED VALUE) -PV (PLANNED VALUE)
CPI (COST PERFORMANCE INDEX) FORMULA
EV (EARNED VALUE)/AC (ACTUAL COST)
ETC (EST TO COMPLETE) FORMULA
EAC (ESTIMATE AT COMPLETE) - AC (ACTUAL COST)
PERCENT COMPLETE
EV/BAC (BUDGET AT COMPLETE)
EAC (ESTIMATE AT COMPLETE) FORMULA
BAC/CPI
AC+ETC
AC+BAC-EV
AC+(BAC-EV)/CPI
ETC (ESTIMATE TO COMPLETE)
EAC (EST AT COMPLETE)- AC (ACTUAL COST)
VAC (VARIANCE AT COMPLETION)
BAC - EAC
TCPI (TO COMPLETE PERFORMANCE INDEX)
TCPI < 1.0 IS GOOD. EFFICIENCY TO COMPLETE IS LESS THAN PLANNED
(BAC - EV) / (BAC - AC)
NPV (NET PRESENT VALUE)
BIGGER IS BETTER
IRR (INTERNAL RATE OF RETURN)
BIGGER IS BETTER
BENEFIT COST RATIO
BIGGER IS BETTER
PAYBACK PERIOD
LESS IS BETTER
NET INVESTMENT/AVG ANNUAL CASH FLOW
ORDER OF MAGNITUDE ESTIMATE
- 25% + 75%
PMBOK -50% + 100%
BUDGET ESTIMATE
- 10% + 25%
DEFINITIVE ESTIMATE
-5% + 10%