A political scientist wanted to learn whether there is any association between the education level of a

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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:

Political Party Education Political Party Education Grade school Democrat High school Democrat College College Republica


(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)?

Distribution
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