What are the degrees of freedom for the contingency table provided? And if x2 =16, what might you expect the z test statistic comparing the two proportions (women who voted for Obama and men who voted for Obama) to be?

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VOTED FOR OBAMA IN 2008?

Sex YES NO TOTAL
Female 589 320 909
Male 383 314 697
Total  972 634 1606

 

What are the degrees of freedom for the contingency table provided? And if x2 =16, what might you expect the z test statistic comparing the two proportions (women who voted for Obama and men who voted for Obama) to be?

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