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# TOPIC: Explanation

## Explanation 4 years 4 weeks ago #21314

 Anonymous Topic Author Visitor How did they get this answer? A project was planned to take 5 months. The team is currently 3 months into it and has completed half of the work. Applying Earned schedule technique, what are the performance data of the project? SV: -0.5 months, SPI: 0.83 SV: 1.5 months, SPI: 1.5 SV: -2,5 months, SPI: 0.83 SV: 0.5 months, SPI: 1.83 Your e-mail address will never be displayed on the site. Check this box to be notified of replies to this topic. Note: BBcode and smileys are still usable.

## Explanation 4 years 3 weeks ago #21327

 Harry Elston Offline Moderator Posts: 462 Karma: 27 Thank you received: 144 Anon: This is one of the questions that look like a math question bu really isn't as long as you know the definitions of all the performance indices and variances. The project is 50% complete and 60% into the schedule. It is BEHIND Schedule - therefore the project's SPI is less than 1. Therefore only A or C can be correct. In terms of time they are at 2.5 months worth of earned value but they have burned 3 months of Planned Value. Therefore they are -0.5 months in Schedule Variance. The answer is A Hope that helps. Harry +++++ Harry J. Elston, Ph.D., CIH, PMP Your e-mail address will never be displayed on the site. Check this box to be notified of replies to this topic. Note: BBcode and smileys are still usable. Last edit: by Harry Elston.

## Explanation 3 years 11 months ago #22422

 Anonymous Topic Author Visitor Let me explain. We have completed half the work. As per the plan, 100% work <=> 5 months So, 50% work <=> 2.5 months 2.5 months is the Earned Schedule. 3.0 months is the Actual Time. Accordingly, SV = ES - AT = -0.5 months SPI = ES/AT = 0.83 A is the correct choice. If you wish to understand the basics of Earned Schedule, have a look at this lesson. Your e-mail address will never be displayed on the site. Check this box to be notified of replies to this topic. Note: BBcode and smileys are still usable.
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