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Jenny works as a Project Manager for Blue Well Inc. She is measuring the schedule efficiency of her project. The key values are provided in the table below: Measurements Values BCWP (or EV)425 BCWS (or PV) 400 ACWP (or AC)510 What is the schedule performance index (SPI) of the project at the current point of time?
According to the question, you are required to calculate the schedule performance
index (SPI) of the project. 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. Here, SPI is calculated as
follows:
SPI = EV / PV
= 425/400
= 1.0625
As the SPI (1.0625) is greater than 1, it shows that the schedule performance is better than
expected.
What is BCWP (or EV)?
Budgeted cost of work performed (BCWP) or Earned Value (EV) is the value of completed work. It is
the budgeted amount
for the work actually completed on the schedule activity during a given time period.
What is BCWS (or PV)?
Budgeted Cost of Work Scheduled (BCWS) or Planned Value (PV) is the authorized budget assigned
to the scheduled work
to be accomplished for a schedule activity or Work Breakdown Structure (WBS) component.
What is ACWP (or AC)?
Actual cost of work performed (ACWP) or Actual Cost (AC) is the total costs actually incurred and
recorded in accomplishing
work performed during a given time period for a schedule activity. It is the cost of the work to date,
including direct and
indirect costs. AC is money that has actually been expended to date.
You are project manager of HHK project. Examine the network diagram given below:
A vendor reports that he will be four days late on the materials you'll need in order to complete Activity E. Based on the project network diagram, how many days can Activity E be delayed?
Activity E has four days of float. The entire project will take 19 days to complete. Float,
also called slack, is the amount of time an activity can
be delayed without affecting any subsequent activities. There are two types of floats available:
Free Float: It is the amount of time a schedule activity can be delayed without delaying the early
start date of any immediately
following schedule activities.
Total Float: It is the total amount of time that a schedule activity may be delayed from its early start
date without delaying the project
finish date, or violating schedule constraint.
Float is calculated by using the critical path method technique.
Answer option D is incorrect. Activity E is not on the critical path.
Answer options C and B are incorrect. These are incorrect calculations of the amount float available
for Activity E.
Harry works as a project manager for BlueWell Inc. He is determining the budget of the project.
According to the PMBOK, there are seven
inputs to this process. Which one of the following is NOT an input to the determine budget process?
Reserve analysis is not an input to the determine budget process. It is a technique used
for determining the budget.
The inputs to the determine budget process are as follows:
Activity cost estimates
Basis of estimates
Scope baseline
Project schedule
Resource calendars
Contracts
Organizational process assets
You are the project manager of the NHT Project. This project has 12,345 office doors to install throughout a campus. Each of the doors costs the project $456 and requires special hardware to electronically lock and open the doors. You've gathered the project team before they begin the installation for a hands-on training. As a group you and the project team install 50 doors following a checklist of instructions so that every door will be installed exactly the same throughout the campus and with minimal waste. This is an example of what project execution technique?
This is an example of a preventive action as you're working with the team before they install the doors to train them on the installation. The checklist is a quality control tool but the question was asking for a project execution activity. Preventive and corrective actions are part of project execution. Answer option D is incorrect. Quality control is a controlling and monitoring process, not an executing process. Answer option B is incorrect. The defect repair validation comes after the project team has corrected an error - something that has not occurred in this instance. Answer option C is incorrect. Corrective action is a response to something that needs to be corrected in the project.
John works as a project manager for BlueWell Inc. His project has a budget of $795,000 and he has
spent $325,000 on the project. But, he has completed only 40 percent of the project work till now.
Management wants to know what the project's cost performance index is. What value will John
report?
Cost performance index (CPI) is used to calculate performance efficiencies. It is used in
trend analysis to predict future performance. CPI is the
ratio of earned value to actual cost. The CPI is calculated based on the following formula:
CPI = Earned Value (EV) / Actual Cost (AC)
If the CPI value is greater than 1, it indicates better than expected performance, whereas if the value
is less than 1, it shows poor
performance. The CPI value of 1 indicates that the project is right on target. In this instance, it's
EV = 0.40 * 750,000
= 300,000
CPI = EV/AC
= 300,000/325,000
= 0.92
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