Question

A polling firm randomly surveys 240 registered voters across the United States. Two of the survey questions ask respondents to state their gender (male or female) and their political affiliation (democrat, republican, Independent, or other). The results of this survey are shown in the table below. Female Male Totals Democrat Republican Independent Other Totals 73 44 226 145 35 22 34 495 108 66 56 10 240 (a) Suppose we would like to perform a chi-square test to see if gender and affiliation are associated. Use a -0.1. What are the degrees of freedom for this test? (b) Find the standardized) residual for the female with Independent as their political affiliation (Round your answers to three decimal places.) 2.034 X (c) The residual shows that there were fewer females than expected in the Independent category Enter a number (d) Given p-value is 0.003, what is the statistical decision? Reject Hy and conclude that gender and political affiliation are independent • Reject Hy and conclude that gender and political affiliation are associated O Do not reject Hy and conclude that gender and political affiliation are associated Do not reject Hy and conclude that gender and political affiliation are independent

Answer 1

odper democral- pej lowrandre total 1457 6 female ere 43 44 4 95 34 male 35 22 che 10 66 108 = 33.8333 papadas S6x145 ayo peoporole pozipropeofs (3-0) 2120-33.8833 73 33.8333 2.0344 21.034 ss Aspeel