The analysis in this report is based on a Pew Research Center survey conducted online Feb. 6-April 6, 2015 among a probability based sample of 1,555 multiracial Americans ages 18 and older. The sample ...
Let’s imagine that we are studying a species of beetle. The beetles come in many different colors, and we want to know how common the orange (O) coloring is in this population. This population of ...