A polling firm randomly surveys 210 registered voters across the United States.

Question

A polling firm randomly surveys 210 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. (a) Complete the table. (b) Suppose we randomly select one person from this sample. Calculate the following. (Round your answers to three decimal places.) (c) Suppose we would like to perform a chi-square test to see if gender and affiliation are independent or dependent. Use alpha = 0.1. what are the degrees of freedom for this test? (d) Fill in the expected cell counts (under independence) into the table below. (Round your answers to two decimal places (e) Compute the X^2 test statistic. (Round your answer to two decimal places.) X^2 =

Explanation / Answer

A polling firm randomly surveys 210 registered voters across the United States.

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