A project manager realizes there is a lot of variability in the estimates received for task duration, primarily because more than one estimating source was used. While sequencing the tasks, the project manager wants to ensure the variability is accounted for within the network diagram. Which of the following network diagramming methods/techniques should the project manager use?
A. Arrow diagramming method
B. Work breakdown structure
C. Program Evaluation Review Technique (PERT)
D. Scheduling performance index
