The following stacked bar graph summarizes results from exit polls in the 2020 U.S. presidential election. The survey results come from questionnaires completed by approximately 15,590 U.S. voters.* Stacked vertical bar graph showing the results from exit polls in the 2016 U.S. presidential election. Y-axis represents the rate. X-axis represents the marital status. Married: Trump = 0.53; Clinton = 0.43. Not married: Trump = 0.38; Clinton = 0.55. (9) What is the sample and population of interest in this study? (13) What kinds of biases could have occurred with this study