A Researcher Knows That 12 Percent of a Target Population

Multiple Choice

A researcher knows that 12 percent of a target population is African American and 9 percent is Hispanic American. The researcher selects her sample so that she ends up with a sample containing exactly 12 percent African Americans and 9 percent Hispanic Americans. This researcher used a ______ sample.

A) stratified
B) control
C) biased
D) random