A project manager needs to estimate the total project duration for tasks with uncertain completion times by applying statistical analysis. Which of the following tools is BEST suited for this purpose?
Gantt chart
Fishbone diagram
PERT chart
Milestone chart
The PERT (Program Evaluation Review Technique) chart is specifically designed for projects with uncertain activity durations. It uses statistical methods, considering optimistic, pessimistic, and most likely time estimates for each task to calculate expected durations. This approach helps in planning and scheduling under uncertainty. Gantt charts display schedules but do not incorporate statistical analysis of time estimates. Milestone charts highlight key events without detailing task durations or uncertainties. Fishbone diagrams identify cause-and-effect relationships and are not used for scheduling or time estimation.
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