Oil spills 2008. Data from the International Tanker Owners Pollution Federation Limited (www.itopf.com) give the cause of spillage for 319 large oil tanker accidents from 1974-2008. Here are displays.
![1490_4c857bef-fc76-4496-bbd8-a4edc586a8c3.png](https://secure.tutorsglobe.com/CMSImages/1490_4c857bef-fc76-4496-bbd8-a4edc586a8c3.png)
a) Write a brief report interpreting what the displays show.
b) Is a pie chart an appropriate display for these data? Why or why not?