We will investigate the amount of traffic flowing to/from different Australian State Capitals in the following question. The Australian State Capital ports are as follows: Adelaide, Brisbane, Darwin, Hobart, Melbourne, Perth, and Sydney.

We want to explore the mail traffic flow of each Australian capital port. The following bar chart shows the total Mail_In and total Mail_Out for each of the ports. Answer the following questions.

Incoming and outcoming mail count in Australian capital ports Sydney Perth Melbourne Hobart Darwin Brisbane Adelaide Mail In Mail Out 50000 100000 150000 200000 250000 300000 Mail count (tonnes)