Chi-squared test of independence Please write out steps

i' 1 1. Some political analysts claimed that during the presidency of George W. Bush, the popularity of the US. decreased dramatically around the world. In America Against the World: How We Are Di'erent and Why We Are Disliked, the Pew Research Center summarized results of 91,000 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 US. by year of survey, for Germany. For this table, identity the response variable, the explanatory variable, and the conditional distributions. 2. The following table refers to a survey of senior high school students in Dayton, Ohio. ___ -n_ __ma-G a. Construct conditional distributions that treat cigarette smoking as the response variable. Interpret. b. Test whether cigarette use and alcohol use are statistically independent. Report the p- value and interpret. (Follow the steps of a chi-square test)