What does a tracking Gantt chart use to show activity duration?Multiple choice question.LinesCirclesBarsArrows

Break Down the Problem

1. Identify the type of chart being discussed (tracking Gantt chart).
2. Understand how activity duration is visually represented in this type of chart.

Relevant Concepts

1. A Gantt chart is a type of bar chart that illustrates a project schedule.
2. The activities are represented by horizontal bars, where the length of each bar corresponds to the duration of the activity.

Analysis and Detail

1. In a tracking Gantt chart, each activity has a horizontal bar that starts at the beginning date and extends to the end date, effectively showing how long the activity will take.
2. The position and length of these bars provide a clear visualization of the planned versus actual progress of activities over time.

Verify and Summarize

1. In Gantt charts, lines, circles, and arrows are not typically used to represent activity duration.
2. Bars are the primary visual element used for this purpose.

Final Answer

Bars are used in a tracking Gantt chart to show activity duration.