A recent poll revealed the political affiliations of 237 Americans, along with the region of the country in which they reside.   Democrat Independent Republican Northwest  14 12 20 Southeast 29 23 49 West 35 18 37 To test whether the region of residence and political affiliation were related, one of the pollsters computed a chi-square statistic, ?2=2.7245, with four degrees of freedom and set an alpha (?) level of 0.05. Determine the ?-value of the chi-square statistic in this test for independence and report it to at least three decimal places. You will need to use some kind of software (statistical package or calculator that does statistical computations) to get the ?-value that precisely. P =

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A recent poll revealed the political affiliations of 237 Americans, along with the region of the country in which they reside.

  Democrat Independent Republican
Northwest  14 12 20
Southeast 29 23 49
West 35 18 37

To test whether the region of residence and political affiliation were related, one of the pollsters computed a chi-square statistic, ?2=2.7245, with four degrees of freedom and set an alpha (?) level of 0.05.

Determine the ?-value of the chi-square statistic in this test for independence and report it to at least three decimal places. You will need to use some kind of software (statistical package or calculator that does statistical computations) to get the ?-value that precisely.

P = 

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