QUESTION: 109

Fredrick works as a Project Manager for BlueWell Inc. A number of projects are running under his guidance. You, a team leader of a project, inform Fredrick about the performance in exes of your project. The schedule performance index (SPI) of your project is 1.325.
What does this figure indicate?

The schedule performance is better than expected.
The schedule performance is right on target.
The cost performance is better than expected.
The schedule performance is below expectation.

Answer(s): A

Explanation:

According to the question, the SPI of your project is 1.325. This figure is greater than 1. Hence, it shows that the schedule performance is better than expected.
What is SPI?
Schedule performance index (SPI) is the measure of schedule efficiency on a project. It is used in trend analysis to predict future performance. SPI is the ratio of earned value to planned value. The SPI is calculated based on the following formula:
SPI = Earned Value (EV) / Planned Value (PV)
If the SPI value is greater than 1, it indicates better than expected performance, whereas if the value is less than 1, it shows poor performance. The SPI value of 1 indicates that the project is right on target.
Answer option C is incorrect. SPI has nothing to do with cost performance. Answer options B and D are incorrect. An SPI value less than 1 or 0 indicates that the schedule performance is either below expectation or is right on target.

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QUESTION: 110

Which of the group creativity techniques enhances brainstorming with a voting process used to rank the most useful ideas for further brainstorming or prioritization?

Idea/mind mapping
Delphi technique
Nominal group technique
Affinity diagram

Answer(s): C

Explanation:

The various group creativity techniques are as follows:
Brainstorming: It is a technique used to generate and collect multiple ideas related to the project and product requirements.
Nominal group technique: It is a technique used to enhance brainstorming with a voting process used to rank the most useful ideas for further brainstorming or prioritization.
Delphi technique: It is a techniques used to identify potential risk. In this technique, the responses are gathered via a questionnaire from different experts and their inputs are organized according to their contents. Idea/mind mapping: It is a technique used to map the ideas generated by brainstorming to reflect the commonality and differences in understanding and generating new ideas.

Affinity diagram: It is a technique used to allow a large number of ideas to be sorted into groups for review and analysis.

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QUESTION: 111

Jack works as a project manager for the NHQ project. His project has a budget of $2,208,456 and is scheduled to last for three years. His project is currently forty percent complete though it should be forty-five percent complete. In order to reach this point of the project, he has spent $725,000. Management needs a performance report regarding the NHQ project. Management is concerned that this project will be over budget upon completion. Management would like to create a report telling them how much more the project will need to complete.
What value should Jack tell the management?

$1,087,497.74
$755,000.56
$1,112,978.45
$790,988.76

Answer(s): A

Explanation:

The project will need $1,087,497.74 more to complete. This formula, the estimate to complete, is estimate at completion minus the actual costs. Here,
CPI = EV/AC
= (0.40*2,208,456)/725,000
= 1.21846, and
ETC = EAC - AC
= (BAC/CPI) - AC
= (2,208,456/1.21846) - 725,000
= 1,812,497.74 - 725,000
= 1,087,497.74
The estimate to complete (ETC) is the expected cost needed to complete all the remaining work for a scheduled activity, a group of activities,
or the project. ETC helps project managers predict what the final cost of the project will be upon completion. The formula for the ETC is EAC-

AC. The EAC is BAC/CPI.

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QUESTION: 112

You are the project manager of the NHG. The following figure represents your project network diagram.

Management has asked that you add some features to the project scope. Through the change control system these changes are approved and they'll affect Activity I. The duration of Activity I, which is on the critical path, will decrease by three days.
What affect does this have on the critical path?

The critical path will now take 26 days.
The critical path will now take 17 days.
The critical path will now take 23 days.
The critical path will now take 20 days.

Answer(s): C

Explanation:

The critical path is the path in the project network diagram with the longest duration. In project management, a critical path is the sequence of project network activities which add up to the longest overall duration. This determines the shortest time possible to complete the project. Any delay of an activity on the critical path directly impacts the planned project completion date (i.e.
there is no float on the critical path). This
project actually has two critical paths. Path ACGIJ takes 23 days. Path ACGHJ also takes 23 days.
When Activity I decreases by three days the critical will still take 23 days to complete as Path ACGHJ remains a critical path.
Answer option A is incorrect. The duration of the critical path did not increase.
Answer option D is incorrect. The duration of the path ACGIJ will decrease to 20 days but the critical path will remain at 23 days.

Answer option B is incorrect. The critical path did not reduce to 17 days.

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