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Chi square test for independence. Name: . Opinions about the death penalty.
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Opinions about the death penalty • “Do you favor or oppose the death penalty for persons convicted of murder?” When the General Social Survey asked this question in its 2002 survey, the responses of people whose highest education was a bachelor's degree and of people with a graduate degree were as follows:
Is there evidence that the opinions of all people at these levels of education differ? Find the chi-square statistic Χ2 and its P-value. If your work is correct, Χ2should be the same as z2 and the two P-values should be identical. Are they?
Hypotheses • Expected counts • Conditions • Calculations • Conclusion
Is there evidence that the proportions of all people at these levels of education who favor the death penalty differ? Find the two sample proportions, the zstatistic,and its P-value.
Hypotheses • Conditions • Calculations • Conclusion