Voters in a certain town can only register as Democratic, Republican, or Independent. A poll of 300 registered voters yields the following gender distribution: Democratic Republican Independent Total Male 140 192 68 400 Female 160 158 82 400 Total 300 350 150 800 Let Ho be the hypothesis that the party affiliation is independent of gender. (a) Find the x value. (b) Find the degrees of freedom (df). (c) Test Ho at the following significance levels: (i) a= 0.10, (ii) a = 0.05.

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