Adding Error Bars to Gantt Chart

There is an Excel file that teaches how to perform the Adding Error Bars to Gantt Chart operation.

Excel Format: Adding Error Bars to Gantt Chart

Uncertainty in task durations is visualized by adding error bars to the Gantt chart. Additionally, minimum, maximum, and expected duration values for each task are presented on the chart. Thus, risks and deviation probabilities in the project planning process are visually expressed. For this reason, it serves as a powerful tool for more realistic time estimates in project management. Therefore, a comprehensive example is presented for users interested in advanced Gantt chart techniques.

Hope it is useful.