Which of the following measures would a project manager use to assess the team's progress against the project schedule?
Earned Value Analysis (EVA) is a project management technique used to measure project performance and progress. It integrates project scope, time, and cost data to provide accurate forecasts of project performance.
Planned Value (PV): The estimated value of work planned to be done.
Earned Value (EV): The value of work actually completed.
Actual Cost (AC): The actual cost incurred for the completed work.
Using these metrics, EVA can help project managers assess whether they are ahead or behind schedule and within or over budget.
'Project Management: A Systems Approach to Planning, Scheduling, and Controlling' by Harold Kerzner
PMBOK Guide by Project Management Institute (PMI)
A sprint started with 354 requirements. As the sprint progressed, 14 requirements were introduced, 6 requirements were removed, and 28 requirements were changed. What was the requirements volatility for this sprint?
Requirements volatility is calculated as the percentage of change in the total number of requirements during a sprint. The formula to calculate volatility is:
Volatility=(Introduced+Removed+Changed)Initial100\text{Volatility} = \frac{(\text{Introduced} + \text{Removed} + \text{Changed})}{\text{Initial}} \times 100Volatility=Initial(Introduced+Removed+Changed)100
Using the given data:
Initial requirements = 354
Introduced = 14
Removed = 6
Changed = 28
Volatility=(14+6+28)35410013.5%\text{Volatility} = \frac{(14 + 6 + 28)}{354} \times 100 \approx 13.5\%Volatility=354(14+6+28)10013.5%
'Agile Estimating and Planning' by Mike Cohn, which explains the concept of requirements volatility in agile projects.
An effective listener is defined as someone who
An effective listener is defined as someone who is attuned to nonverbal cues. Effective listening involves not only hearing the words but also understanding the speaker's body language, tone, and other nonverbal signals, which can provide significant context and understanding beyond the spoken words.
Adler, R. B., Rosenfeld, L. B., & Proctor, R. F. (2018). Interplay: The Process of Interpersonal Communication (14th Edition).
Brownell, J. (2012). Listening: Attitudes, Principles, and Skills (5th Edition).
Which of the following types of tests should be run on an installation of a new client server development environment that has 2 to 25 users in order to ensure it meets the company's requirements?
Performance tests are essential for ensuring that a new client-server development environment can handle the expected load and perform adequately with 2 to 25 users. These tests help evaluate how the system performs under various conditions, such as peak load times and typical usage scenarios, ensuring that it meets the company's performance requirements. By running performance tests, you can identify potential bottlenecks, optimize resource usage, and ensure that the system can scale effectively.
Which of the following software metrics is based on a nominal scale-1
Nominal scales are used in measurement to categorize data without any order or priority.They are the simplest form of measurement scale and are used to group items into distinct categories based on names or labels123.
Root cause of defect (Option A): This fits the nominal scale as it involves categorizing defects based on their root causes, such as logic errors or data definitions.These categories are mutually exclusive and do not have a natural order1.
Severity of a defect (Option B): This is an example of an ordinal scale, not a nominal scale.The severity levels (critical, major, minor) imply a ranking or order of importance or impact2.
Defect density (Option C): This metric uses a ratio scale as it involves a quantitative measure (number of defects) relative to the size of the software (function points), which has a true zero point and allows for meaningful comparisons between measurements2.
Defect discovery rate (Option D): This is also a ratio scale because it measures the rate of defect detection over time (number detected per day), which is a quantitative assessment that allows for arithmetic operations
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