=+25. Environmental hazard 2012. Data from the International Tanker Owners Pollution Federation Limited (www.itopf

.com) give the cause of spillage for 455 large oil tanker accidents from 1970 to 2012. Here are the displays. Write a brief report interpreting what the displays show. Is a pie chart an appropriate display for these data? Why or why not?

120 140 160 100 80 60 40 20 0

Collisions Groundings Other/Unknown Fires & Explosions Hull Failures Equipment Failure 134 18 53 149 60 41 Collisions Equipment Failure Fires & Explosions Hull Failures Other/Unknown Groundings