Is there an association between political party affiliation and beliefs about human evolution? A survey of a random sample of U.S. adults by The Pew Research Center for the People and the Press conducted in March and April 2013 recorded each participant's political party affiliation and belief about human evolution. The table below gives the data from the Pew Research Center's study. Political party affiliation Republican Democrat Independent Humans have evolved over time 196 472 438 Belief about human Humans have existed in present form 218 190 189 evolution Don't know 41 43 47 Identify the explanatory and response variables. Also identify the type (categorical or quantitative) of each. Explanatory: political party; quantitative Response: political party; quantitative LINK TO TEXT ( Round all numerical answers to two decimal places. ) Based on the table, the proportion of Republicans who believe humans have evolved over time is the proportion of Democrats who believe humans have evolved over time is and the proportion of Independents who share this belief is The data provides an indication of an association between political party affiliation and beliefs about human evolution. (Input "yes" or "no".)