Political Affiliation A political scientist wanted to learn whether there is any
Chapter 12, Problem 18(choose chapter or problem)
Political Affiliation A political scientist wanted to learn whether there is any association between the education level of a registered voter and his or her political party affiliation. He randomly selected 46 registered voters and obtained the following data: Education Political Party Education Political Party Grade school Democrat High school Democrat College Republican College Republican High school Democrat College Republican High school Republican Grade school Democrat High school Democrat High school Republican Grade school Democrat High school Democrat College Republican High school Democrat Grade school Democrat College Republican High school Democrat High school Republican High school Democrat Grade school Democrat Grade school Democrat High school Democrat College Republican College Democrat Grade school Democrat College Republican College Democrat High school Republican College Democrat College Democrat Grade school Republican College Democrat College Republican High school Democrat Grade school Republican College Republican College Republican College Democrat High school Democrat High school Republican College Democrat College Republican College Republican High school Republican College Democrat College Democrat (a) Construct a contingency table for the two variables. (b) Test whether level of education is independent of political affiliation at the a = 0.1 level of significance. (c) Construct a conditional distribution of political party by level of education and draw a bar graph. Does this evidence support your conclusion in part (b)?
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