A researcher tests whether the political affiliation of individuals is related to or independent of whether they have positive views of the economy. The researcher records the political affiliations and economic viewpoints of 105 participants. The following table lists the observed frequencies for this study. Conduct a chi-square test for independence at a .05 level of significance. Decide whether to retain or reject the null hypothesis.

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View of the Economy Obs. Freq. Positive Negative 67 32 1838 50 N 105 Political Democrat Affiliation 35 Republican 20