What level were passengers on who both lived and died in the Titanic?

What level were passengers on who both lived and died in the Titanic?

THE TITANIC: The Titanic sank over 100 years ago. Many people died, but many lived. Who lived and who died? Use the following link to answer the following questions: http://www.icyousee.org/titanic.html

a. What level were passengers on who both lived and died?