This example illustrates the PERT statistical approach ... interprets the result as pertaining to the project duration. Output 2.21.1: PERT Statistical Estimates: Gantt Chart However, when the ...

For example, if an arrow is drawn from task 1 to task 2 on a PERT chart, task 1 must be completed before work on task 2 begins. Items at the same stage of production but on different task lines ...