8.4. Some political analysts claimed that during the presidency of George W. Bush, the popularity of the U.S. decreased dramatically around the world. In America Against the World: How We Are Different and Why We Are Disliked} the Pew Research Centersummarized results of91,000 interviews conducted in 51 nations. In Germany, for example, the study reported that those having favorable opinions of the U.S. changed between 2000 and 2006 from 78% to 37%. Show how to construct a contingency table relating opinion about the U.S. by year of survey, for Germany. For this table, identify the response variable, the explanatory variable, and the conditional distributions.