PgMP - Math Formulas
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Budget at Completion (BAC)
How much is budgeted for the total job
Planned Value (PV)
Planned % complete x BAC
How much should be done?
Earned Value (EV)
Actual % complete X BAC
How much work is done?
Actual Cost (AC)
How much has been spent?
Cost Variance (CV)
EV – AC
>0 good; <0 bad
Schedule Variance (SV)
EV – PV
>0 good; <0 bad
Cost Performance Index (CPI)
EV / AC
>1 good; <1 bad
Schedule Performance Index (SPI)
EV / PV
>1 good; <1 bad
Estimate at Completion (EAC)
BAC / CPI
AC+ ETC original estimates are FLAWED or CAN’T be used
AC + (BAC-EV) variance will NOT occur in future
AC+((BAC-EV) / CPI) variance WILL occur in future
Estimate to Complete (ETC)
EAC – AC
BAC-EV atypical variance (will NOT occur ) in future
(BAC-EV) / CPI typical variance (will occur ) in future
Variance at Completion (VAC)
BAC – EAC
To Complete Performance Index (TCPI)
(BAC-EV) / (BAC – AC)
PERT
( P + 4M + O ) / 6
Standard Deviation (SD)
(P-O) / 6
Task Variance (TV)
[(P-O) / 6]
^{2}
Standard Deviation squared
Project Variance
Square root of the sum of the Task Variance
# of Communication Channels
N ( N-1 ) / 2 -OR-
( N
^{2}
– N ) / 2
Present Value (PV)
FV / ( 1 + R )
^{T}
R = Interest Rate
T = # of time Periods
Future Value (FV)
PV x ( 1 + R )
^{T}
R = Interest Rate
T = # of time Periods
Sigma Normal Distribution
1 sigma = 68%
2 sigma = 95%
3 sigma = 99.7%
6 sigma = 99.9%
Expected Monetary Value (EMV)
Probability x Impact
Card Set Information
Author:
summergs
ID:
220217
Filename:
PgMP - Math Formulas
Updated:
2013-05-20 06:21:31
Tags:
PgMP
Folders:
Description:
Includes EVM and other formulas
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