TEST WITH VERIFIED SOLUTIONS 100
PERCENT CORRECT
⩥ What is PBS? how is it used?.
Answer: -hierarchical structure list of things to build (wheel ==>
rim, spokes)
-used to communicate scope of work to sponsor and users to
show them what they are getting and seek their input
⩥ What is a WBS and how is it used?.
Answer: -structured list of things to do (pulled from PBS)
-communicates scope of work to the team
⩥ what is an OBS and how is it used?.
Answer: -structured list of resources (e.g., people) needed to do
work
-details the resource needs
⩥ what is a Responsibility Assignment Matrix and how is it
used?.
,Answer: -combination of WBS+OBS
-provides clear guidance on who does what
-includes RACI matrix (Responsible, Accountable, Consult,
Inform)
⩥ benefits of scope mgt structures.
Answer: -engages team and gets them thinking about work
-gains agreement from stakeholders
-ensures everyone is clear on their roles
-reduces risk of overlooking sth
-identifies deliverables easily
-eases workload allocation
-relates cost to cost centers
-aids communication
-provides numbering system
-provides basis for activity networks
-provides basis for earned value analysis
⩥ subjective estimating.
Answer: -done at start of concept phase
,-ballpark, low confidence factor
-reasonable but incomplete estimating
⩥ analogous estimating.
Answer: -done in concept phase when work is understood, but
not fully developed
-compares to similar project
-reasonable degree of accuracy
⩥ parametric estimating.
Answer: -used in conjunction with WBS
-uses historical data/estimating norms/statistical data
-used with detailed planning
⩥ Analytical (Bottom-up) Estimating.
Answer: based on WBS
⩥ Delphi Estimation.
Answer: Combination of expert judgment and history. Individual
estimates, sharing the estimates with experts, and having several
, rounds until consensus is reached. An average of the three
estimates is used
⩥ estimating tools.
Answer: -activity breakdown
-experience
-phase breakdown
-experts
-formulas
-statistics
-archives
⩥ Benefits of Re-estimating.
Answer: -feed revised estimates into decision gates
-encourages mgt to allow for increases at the start as initial
estimates are more inaccurate (can set aside mgt reserve for
unforeseen increases in cost and time)
⩥ what is the critical path.