CS605 VU Current Assignment No. 3 Fall Semester December 2011 -2012

[Vuhelper]

Q.
Let us assume that you are working as a Team lead in a renowned multinational company. The software project has 80 planned work tasks that are estimated to require 415 person-days to complete. At the time you have been asked to compute the Earned Value Analysis, 8 tasks have been completed. However, the project schedule indicates that 18 tasks should have been completed. The following scheduling data in person-days are available:
Task Planned Effort Actual Effort
1 3 3.5
2 4 5
3 5 5.5
4 4 3
5 6 7
6 7 6.5
7 5 5
8 7 7.5
9 8
10 8
11 3
12 2
13 14
14 2
15 7
16 6
17 8
18 7

Compute the following

1) SPI
2) Schedule variance
3) Percent scheduled for completion
4) Percent complete
5) CPI
6) Cost variance for the project.

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[Vuhelper]

To find the required values for the project, we have to find the BCWS, BCWP, and
ACWP.

BCWS: 3+4+5+4+6+7+5+7+8+8+3+2+14+2+7+6+8+7=106
BCWP: 3+4+5+4+6+7+5+7= 41
BAC: 415
ACWP: 3.5+5+5.5+3+7+6.5+5+7.5= 43
1) Schedule Performance Index (SPI)
BCWP/ BCWS= 113.5/134.5= 0.84
2) Schedule Variance= SV
BCWP – BCWS
113.5-134.5= -21
SV indicates that project is behind schedule.
3) Percent Schedule for Completion
BCWS/BAC
134.5/415 = 0.32
The value of the Percent Schedule for Completion shows that according to schedule, 22% of the total work should have been completed.
4) Percent Complete
BCWP/ BAC
113.5/ 415 = 0.27
Percent Complete shows that actually 18 percent of the task has been completed. So we are 4 % behind the schedule.
5) CPI
BCWP/ ACWP
41/ 43 = 0.95
6) Cost Variance for the project.
BCWP – AC WP
41– 43 = -2.
CV indicated that the project is over budget.

[Vuhelper]

1) SPI = BCWP/BCWS = 43/41 =1.049
2) Schedule variance
BCWP-BCWS=43-41=2 person day
3) Percent scheduled for completion = BCWS/BAC = 41/106 = 38.6
4) Percent complete = PC = BCWP/BAC = 43/106 = 40.566


Actual cost work performed= ACWP = ?? how i can find it ? becuase we need this to find remaing two values please any one explain it.
5) Cost performance index = CPI = BCWP/ ACWP = 43 / ACWP =
6) Cost variance for the project = CV = BCWP – ACWP = 43 - ACWP =

[Vuhelper]

Compute the following



1) SPI

2) Schedule variance

3) Percent scheduled for completion

4) Percent complete

5) CPI

6) Cost variance for the project.





Answer:

Budgeted Cost of Work Schedule (BCWS) = Total BCWS=106

Budgeted Cost of Work Perform (BCWP) = Total BCWP=41

Budget at Completion (BAC) = Total BAC = 415

Actual Cost Work Performed (ACWP) = Total ACWP=43









1). SPI (Schedule performance index)



SPI = BCWP/BCWS = 41/106 = 0.38



2). Schedule variance (SV)



SV = BCWP – BCWS = 41-106 = -65



3). Percent scheduled for completion



PSC = BCWS/BAC = 106/415 = 0.25



4). Percent complete



P C= BCWP/BAC = 41/415 = 0.098



5). CPI



Cost performance index CPI = BCWP/ACWP = 41/43 = 0.95



6). Cost variance for the project.

Cost variance CV = BCWP – ACWP = 41-43 = -2



CV indicated that the project is over budget

[Xpert]

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