Oil spills as of 2010 Data from the International Tanker Owners Pollution Federation Limited give the cause of spillage for 460 oil tanker accidents resulting in spills of more than 700 tons of oil...

Oil spills as of 2010 Data from the International Tanker Owners Pollution Federation Limited give the cause of spillage for 460 oil tanker accidents resulting in spills of more than 700 tons of oil from 1970–2010 (www.itopf.com/information-services/ data-and-statistics/statistics). On the next page are displays.

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?