The image below shows the volume and direction of passenger traffic between IZABU town and its surrounding towns in the year 2001. Scale: 1 line represents ...

The statistical method represented above is a flow chart. The flow chart is a graphical representation of the volume and direction of passenger traffic between IZABU town and its surrounding towns in the year 2001. Each line on the chart represents 1,500 persons who travelled between two towns, and the direction of the line indicates the direction of travel. The width of the line may indicate the relative volume of passengers who traveled between the two towns. Therefore, a flow chart is a type of diagram that shows the movement of objects or people between different locations or stages.