You are a project manager in a company. You are asked to compute the \"Earned Va
ID: 3626737 • Letter: Y
Question
You are a project manager in a company. You are asked to compute the "Earned Value Analysis" of a software project. The Project has 80 planned work tasks that are estimated to require 690 person-days to complete. At the time you have been asked to do the earned value analysis, 12 tasks have been completed. However, the project schedule indicates that 17 tasks should have been completed. The following scheduling data in person-days are available:
Task
Planned Effort
Actual Effort
1
14
12.5
2
12
13
3
11
11
4
10
9.5
5
9
9
6
8
9
7
12
12
8
4
5
9
7
7.5
10
13
12.5
11
6
6
12
8
8
13
9
14
15
15
11
16
5
17
6
Compute the following
1 SPI
2 Schedule variance
3 Percent scheduled for completion
4 Percent complete
5 CPI
6 Cost variance for the project.
Task
Planned Effort
Actual Effort
1
14
12.5
2
12
13
3
11
11
4
10
9.5
5
9
9
6
8
9
7
12
12
8
4
5
9
7
7.5
10
13
12.5
11
6
6
12
8
8
13
9
14
15
15
11
16
5
17
6
Explanation / Answer
Budgeted Cost of Work Scheduled (BCWS)
14 + 12 + 11 + 10 + 9 + 8 + 12 + 4 + 7 + 13 + 6 + 8 + 9 + 15 + 11 + 5 + 6 = 160
Budgeted Cost of Work Performed (BCWP)
14 + 12 + 11 + 10 + 9 + 8 + 12 + 4 + 7 + 13 + 6 + 8 = 114
Budget at completion (BAC)
690
Schedule performance index, SPI = BCWP/BCWS = 114/160 = 0.7125
Schedule variance, SV = BCWP – BCWS = 114 - 160 = -46 (negative sign shows that we are behind the schedule)
Percent scheduled for completion = BCWS/BAC = 160/690 = 0.2319
Percent Complete = BCWP/BAC = 114/690 = 0.6
Actual Cost of Work Performed (ACWP) = 12.5 + 13 + 11 + 9.5 + 9 + 9 + 12 + 5 + 7.5 + 12.5 + 6 + 8 = 115
Cost performance index, CPI = BCWP/ACWP = 114/115 = 0.9913
Cost variance, CV = BCWP – ACWP = 114 – 115 = –1
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