# PgMP - Math Formulas

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 Author: summergs ID: 220217 Filename: PgMP - Math Formulas Updated: 2013-05-20 02:21:31 Tags: PgMP Folders: Description: Includes EVM and other formulas Show Answers:

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1. Budget at Completion (BAC)
How much is budgeted for the total job
2. Planned Value (PV)
• Planned % complete x BAC
• How much should be done?
3. Earned Value (EV)
• Actual % complete X BAC
• How much work is done?
4. Actual Cost (AC)
How much has been spent?
5. Cost Variance (CV)
• EV – AC
6. Schedule Variance (SV)
• EV – PV
7. Cost Performance Index (CPI)
• EV / AC
8. Schedule Performance Index (SPI)
• EV / PV
9. 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
10. Estimate to Complete (ETC)
• EAC – AC
• BAC-EV atypical variance (will NOT occur ) in future
• (BAC-EV) / CPI typical variance (will occur ) in future
11. Variance at Completion (VAC)
BAC – EAC
12. To Complete Performance Index (TCPI)
(BAC-EV) / (BAC – AC)
13. PERT
( P + 4M + O ) / 6
14. Standard Deviation (SD)
(P-O) / 6
• [(P-O) / 6]2
• Standard Deviation squared
16. Project Variance
• Square root of the sum of the Task Variance
17. # of Communication Channels
• N ( N-1 ) / 2 -OR-
• ( N2 – N ) / 2
18. Present Value (PV)
• FV / ( 1 + R )T
• R = Interest Rate
• T = # of time Periods
19. Future Value (FV)
• PV x ( 1 + R )T
• R = Interest Rate
• T = # of time Periods
20. Sigma Normal Distribution
• 1 sigma = 68%
• 2 sigma = 95%
• 3 sigma = 99.7%
• 6 sigma = 99.9%
21. Expected Monetary Value (EMV)
Probability x Impact

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