Question
A public opinion poll surveyed a simple random sample of 1,000 voters. Respondents were classified by gender (male or female) and by voting preference (Republican,
A public opinion poll surveyed a simple random sample of 1,000 voters. Respondents were classified by gender (male or female) and by voting preference (Republican, Democrat, or Independent). The results are summarized in the contingency table below. At the level of significance = 0.01, test the claim that gender and voting preferences are independent. Note: df = (r - 1)(c - 1) Republican Democrat Independent Male. 248 145 94 Female 172 236 105 a) State the hypotheses and label the claim. (1.5 points) b) Is the test left-tailed, right-tailed, or two-tailed (circle one)? (1 point) c) What is the critical value(s)? (1.5 points) d) What are the P-value and test-statistic? (1.5 points) e) State the conclusion. (1.5 points)
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