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19 Cards in this Set

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  • Back
Expected Value (EV)
(O+4M+P)/6

O= Optimistic
M= Most Likely
P= Pessimistic
Schedule Performance Index (SPI)
SPI = EV/PV

EV = Earned Value
PV = Planned Value

<1 bad
=1 Right on
>1 Good
Cost Performance Index (CPI)
CPI = EV/AC

EV = Earned Value
AC = Actual Cost

<1 Bad
=1 Right on
>1 Good
Total Slack (TS)
TS = LF-EF =LS-ES

LF = Late Finish
EF = Early Finish
LS = Late Start
ES = Early Start

TS=0 is the critical path
Free Slack (FS)
FS of x = EX (of x+1) - EF (of x) -1

ES (of x+1) = Early Start of the earlies succeeding activity to x

EF = Early Finish
Standard Deviation (σ) of a single activity
σ=(P-O)/6

P = Pessimistic
O = Optimistic
Standard Deviation Variance for a Single Activity (σ)^2
σ^2 = ((P-O)/6)^2

P = Pessimistic

O = Optimistic
Standard Deviation for series of activities
√∑σ^2 = √sum((P-O)/6)^2

O=optimistic
P=pessimistic
Project Variance (V)
V = Total σ = Total (P-O)/6

P=Pessimistic
O=Optomistic
Project Standard Deviation
=√V

V=Project Variance
Average (Mean)
(O+M+P)/3

O=Optimistic
M=Most Likely
P= Pessimistic
Mutually Exclusive Path Convergence
multiply all the % between milestone A and milestone B
Schedule Variance (SV)
SV = EV - PV

EV = Earned Value
PV = Planned Value

- always bad
=0 right on
+ always good
Cost Variance (CV)
CV = EV - AC

EV = Earned Value
AC = Actual Cost

- always bad
=0 right on
+ Always good
Variance At Completion (VAC)
VAC = BAC - EAC

BAC = Budget at completion

EAC = Estimate at completion
Cost of Quality (COQ)
COQ = EFTW + COPQ = POC +PONC

EFTW = Essential 1st Time Work

COPQ = Cost of Poor Quality

POC = Price of Conformance

PONC = Price of Non-conformance
Present Value (PV)
PV = FA / (1+ i^n)

FA = Future Amount
i = interest rate
n = number of years
Straight-line Depreciation
= Asset Cost / Useful Life
Double Declining Balance
= 2 x ((Asset Cost - Accumulated Depreciation)/useful life)