A project manager wants to improve the accuracy of the project schedule by incorporating statistical analysis of task durations when estimates are uncertain. Which tool should the project manager use?
PERT chart
Gantt chart
Milestone chart
Control chart
The PERT chart (Program Evaluation Review Technique) incorporates statistical analysis by using three time estimates for each task—optimistic, pessimistic, and most likely—to determine the expected duration. This method accounts for uncertainty in task durations and helps in creating a more accurate project schedule. Gantt charts display task timelines but do not include statistical analysis of durations. Milestone charts highlight significant events but do not assist in detailed scheduling. Control charts are used to monitor process variations over time and are not utilized for scheduling tasks in project management.
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