In his sociology class, Eric is giving a persuasive speech on gun control. He wants to make sure that he supports what he is saying, so he makes statements such as "According to the Task Force on Community Preventive Services, in $1994,$ the estimated lifetime medical cost of all firearms injuries in the United States was $$2\mathrm{.}3$ billion" and "According to a $2007$ poll by CNN$,$ about $65$ percent of Americans believe the constitution guarantees the right to own quns." Eric is relying on what type of support?

Multiple Choice

narratives

examples

quotations

statistics